zepto.js

//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.var Zepto = (function() {  var undefined, key, $, classList, emptyArray = [], concat = emptyArray.concat, filter = emptyArray.filter, slice = emptyArray.slice,    document = window.document,    elementDisplay = {}, classCache = {},    cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 },    fragmentRE = /^\s*<(\w+|!)[^>]*>/,    singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,    tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,    rootNodeRE = /^(?:body|html)$/i,    capitalRE = /([A-Z])/g,    // special attributes that should be get/set via method calls    methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],    adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ],    table = document.createElement('table'),    tableRow = document.createElement('tr'),    containers = {      'tr': document.createElement('tbody'),      'tbody': table, 'thead': table, 'tfoot': table,      'td': tableRow, 'th': tableRow,      '*': document.createElement('div')    },    readyRE = /complete|loaded|interactive/,    simpleSelectorRE = /^[\w-]*$/,    class2type = {},    toString = class2type.toString,    zepto = {},    camelize, uniq,    tempParent = document.createElement('div'),    propMap = {      'tabindex': 'tabIndex',      'readonly': 'readOnly',      'for': 'htmlFor',      'class': 'className',      'maxlength': 'maxLength',      'cellspacing': 'cellSpacing',      'cellpadding': 'cellPadding',      'rowspan': 'rowSpan',      'colspan': 'colSpan',      'usemap': 'useMap',      'frameborder': 'frameBorder',      'contenteditable': 'contentEditable'    },    isArray = Array.isArray ||      function(object){ return object instanceof Array }  zepto.matches = function(element, selector) {    if (!selector || !element || element.nodeType !== 1) return false    var matchesSelector = element.matches || element.webkitMatchesSelector ||                          element.mozMatchesSelector || element.oMatchesSelector ||                          element.matchesSelector    if (matchesSelector) return matchesSelector.call(element, selector)    // fall back to performing a selector:    var match, parent = element.parentNode, temp = !parent    if (temp) (parent = tempParent).appendChild(element)    match = ~zepto.qsa(parent, selector).indexOf(element)    temp && tempParent.removeChild(element)    return match  }  function type(obj) {    return obj == null ? String(obj) :      class2type[toString.call(obj)] || "object"  }  function isFunction(value) { return type(value) == "function" }  function isWindow(obj)     { return obj != null && obj == obj.window }  function isDocument(obj)   { return obj != null && obj.nodeType == obj.DOCUMENT_NODE }  function isObject(obj)     { return type(obj) == "object" }  function isPlainObject(obj) {    return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype  }  function likeArray(obj) {    var length = !!obj && 'length' in obj && obj.length,      type = $.type(obj)    return 'function' != type && !isWindow(obj) && (      'array' == type || length === 0 ||        (typeof length == 'number' && length > 0 && (length - 1) in obj)    )  }  function compact(array) { return filter.call(array, function(item){ return item != null }) }  function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array }  camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }  function dasherize(str) {    return str.replace(/::/g, '/')           .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')           .replace(/([a-z\d])([A-Z])/g, '$1_$2')           .replace(/_/g, '-')           .toLowerCase()  }  uniq = function(array){ return filter.call(array, function(item, idx){ return array.indexOf(item) == idx }) }  function classRE(name) {    return name in classCache ?      classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))  }  function maybeAddPx(name, value) {    return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value  }  function defaultDisplay(nodeName) {    var element, display    if (!elementDisplay[nodeName]) {      element = document.createElement(nodeName)      document.body.appendChild(element)      display = getComputedStyle(element, '').getPropertyValue("display")      element.parentNode.removeChild(element)      display == "none" && (display = "block")      elementDisplay[nodeName] = display    }    return elementDisplay[nodeName]  }  function children(element) {    return 'children' in element ?      slice.call(element.children) :      $.map(element.childNodes, function(node){ if (node.nodeType == 1) return node })  }  function Z(dom, selector) {    var i, len = dom ? dom.length : 0    for (i = 0; i < len; i++) this[i] = dom[i]    this.length = len    this.selector = selector || ''  }  // `$.zepto.fragment` takes a html string and an optional tag name  // to generate DOM nodes from the given html string.  // The generated DOM nodes are returned as an array.  // This function can be overridden in plugins for example to make  // it compatible with browsers that don't support the DOM fully.  zepto.fragment = function(html, name, properties) {    var dom, nodes, container    // A special case optimization for a single tag    if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))    if (!dom) {      if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")      if (name === undefined) name = fragmentRE.test(html) && RegExp.$1      if (!(name in containers)) name = '*'      container = containers[name]      container.innerHTML = '' + html      dom = $.each(slice.call(container.childNodes), function(){        container.removeChild(this)      })    }    if (isPlainObject(properties)) {      nodes = $(dom)      $.each(properties, function(key, value) {        if (methodAttributes.indexOf(key) > -1) nodes[key](value)        else nodes.attr(key, value)      })    }    return dom  }  // `$.zepto.Z` swaps out the prototype of the given `dom` array  // of nodes with `$.fn` and thus supplying all the Zepto functions  // to the array. This method can be overridden in plugins.  zepto.Z = function(dom, selector) {    return new Z(dom, selector)  }  // `$.zepto.isZ` should return `true` if the given object is a Zepto  // collection. This method can be overridden in plugins.  zepto.isZ = function(object) {    return object instanceof zepto.Z  }  // `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and  // takes a CSS selector and an optional context (and handles various  // special cases).  // This method can be overridden in plugins.  zepto.init = function(selector, context) {    var dom    // If nothing given, return an empty Zepto collection    if (!selector) return zepto.Z()    // Optimize for string selectors    else if (typeof selector == 'string') {      selector = selector.trim()      // If it's a html fragment, create nodes from it      // Note: In both Chrome 21 and Firefox 15, DOM error 12      // is thrown if the fragment doesn't begin with <      if (selector[0] == '<' && fragmentRE.test(selector))        dom = zepto.fragment(selector, RegExp.$1, context), selector = null      // If there's a context, create a collection on that context first, and select      // nodes from there      else if (context !== undefined) return $(context).find(selector)      // If it's a CSS selector, use it to select nodes.      else dom = zepto.qsa(document, selector)    }    // If a function is given, call it when the DOM is ready    else if (isFunction(selector)) return $(document).ready(selector)    // If a Zepto collection is given, just return it    else if (zepto.isZ(selector)) return selector    else {      // normalize array if an array of nodes is given      if (isArray(selector)) dom = compact(selector)      // Wrap DOM nodes.      else if (isObject(selector))        dom = [selector], selector = null      // If it's a html fragment, create nodes from it      else if (fragmentRE.test(selector))        dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null      // If there's a context, create a collection on that context first, and select      // nodes from there      else if (context !== undefined) return $(context).find(selector)      // And last but no least, if it's a CSS selector, use it to select nodes.      else dom = zepto.qsa(document, selector)    }    // create a new Zepto collection from the nodes found    return zepto.Z(dom, selector)  }  // `$` will be the base `Zepto` object. When calling this  // function just call `$.zepto.init, which makes the implementation  // details of selecting nodes and creating Zepto collections  // patchable in plugins.  $ = function(selector, context){    return zepto.init(selector, context)  }  function extend(target, source, deep) {    for (key in source)      if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {        if (isPlainObject(source[key]) && !isPlainObject(target[key]))          target[key] = {}        if (isArray(source[key]) && !isArray(target[key]))          target[key] = []        extend(target[key], source[key], deep)      }      else if (source[key] !== undefined) target[key] = source[key]  }  // Copy all but undefined properties from one or more  // objects to the `target` object.  $.extend = function(target){    var deep, args = slice.call(arguments, 1)    if (typeof target == 'boolean') {      deep = target      target = args.shift()    }    args.forEach(function(arg){ extend(target, arg, deep) })    return target  }  // `$.zepto.qsa` is Zepto's CSS selector implementation which  // uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.  // This method can be overridden in plugins.  zepto.qsa = function(element, selector){    var found,        maybeID = selector[0] == '#',        maybeClass = !maybeID && selector[0] == '.',        nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked        isSimple = simpleSelectorRE.test(nameOnly)    return (element.getElementById && isSimple && maybeID) ? // Safari DocumentFragment doesn't have getElementById      ( (found = element.getElementById(nameOnly)) ? [found] : [] ) :      (element.nodeType !== 1 && element.nodeType !== 9 && element.nodeType !== 11) ? [] :      slice.call(        isSimple && !maybeID && element.getElementsByClassName ? // DocumentFragment doesn't have getElementsByClassName/TagName          maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class          element.getElementsByTagName(selector) : // Or a tag          element.querySelectorAll(selector) // Or it's not simple, and we need to query all      )  }  function filtered(nodes, selector) {    return selector == null ? $(nodes) : $(nodes).filter(selector)  }  $.contains = document.documentElement.contains ?    function(parent, node) {      return parent !== node && parent.contains(node)    } :    function(parent, node) {      while (node && (node = node.parentNode))        if (node === parent) return true      return false    }  function funcArg(context, arg, idx, payload) {    return isFunction(arg) ? arg.call(context, idx, payload) : arg  }  function setAttribute(node, name, value) {    value == null ? node.removeAttribute(name) : node.setAttribute(name, value)  }  // access className property while respecting SVGAnimatedString  function className(node, value){    var klass = node.className || '',        svg   = klass && klass.baseVal !== undefined    if (value === undefined) return svg ? klass.baseVal : klass    svg ? (klass.baseVal = value) : (node.className = value)  }  // "true"  => true  // "false" => false  // "null"  => null  // "42"    => 42  // "42.5"  => 42.5  // "08"    => "08"  // JSON    => parse if valid  // String  => self  function deserializeValue(value) {    try {      return value ?        value == "true" ||        ( value == "false" ? false :          value == "null" ? null :          +value + "" == value ? +value :          /^[\[\{]/.test(value) ? $.parseJSON(value) :          value )        : value    } catch(e) {      return value    }  }  $.type = type  $.isFunction = isFunction  $.isWindow = isWindow  $.isArray = isArray  $.isPlainObject = isPlainObject  $.isEmptyObject = function(obj) {    var name    for (name in obj) return false    return true  }  $.isNumeric = function(val) {    var num = Number(val), type = typeof val    return val != null && type != 'boolean' &&      (type != 'string' || val.length) &&      !isNaN(num) && isFinite(num) || false  }  $.inArray = function(elem, array, i){    return emptyArray.indexOf.call(array, elem, i)  }  $.camelCase = camelize  $.trim = function(str) {    return str == null ? "" : String.prototype.trim.call(str)  }  // plugin compatibility  $.uuid = 0  $.support = { }  $.expr = { }  $.noop = function() {}  $.map = function(elements, callback){    var value, values = [], i, key    if (likeArray(elements))      for (i = 0; i < elements.length; i++) {        value = callback(elements[i], i)        if (value != null) values.push(value)      }    else      for (key in elements) {        value = callback(elements[key], key)        if (value != null) values.push(value)      }    return flatten(values)  }  $.each = function(elements, callback){    var i, key    if (likeArray(elements)) {      for (i = 0; i < elements.length; i++)        if (callback.call(elements[i], i, elements[i]) === false) return elements    } else {      for (key in elements)        if (callback.call(elements[key], key, elements[key]) === false) return elements    }    return elements  }  $.grep = function(elements, callback){    return filter.call(elements, callback)  }  if (window.JSON) $.parseJSON = JSON.parse  // Populate the class2type map  $.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {    class2type[ "[object " + name + "]" ] = name.toLowerCase()  })  // Define methods that will be available on all  // Zepto collections  $.fn = {    constructor: zepto.Z,    length: 0,    // Because a collection acts like an array    // copy over these useful array functions.    forEach: emptyArray.forEach,    reduce: emptyArray.reduce,    push: emptyArray.push,    sort: emptyArray.sort,    splice: emptyArray.splice,    indexOf: emptyArray.indexOf,    concat: function(){      var i, value, args = []      for (i = 0; i < arguments.length; i++) {        value = arguments[i]        args[i] = zepto.isZ(value) ? value.toArray() : value      }      return concat.apply(zepto.isZ(this) ? this.toArray() : this, args)    },    // `map` and `slice` in the jQuery API work differently    // from their array counterparts    map: function(fn){      return $($.map(this, function(el, i){ return fn.call(el, i, el) }))    },    slice: function(){      return $(slice.apply(this, arguments))    },    ready: function(callback){      // need to check if document.body exists for IE as that browser reports      // document ready when it hasn't yet created the body element      if (readyRE.test(document.readyState) && document.body) callback($)      else document.addEventListener('DOMContentLoaded', function(){ callback($) }, false)      return this    },    get: function(idx){      return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]    },    toArray: function(){ return this.get() },    size: function(){      return this.length    },    remove: function(){      return this.each(function(){        if (this.parentNode != null)          this.parentNode.removeChild(this)      })    },    each: function(callback){      emptyArray.every.call(this, function(el, idx){        return callback.call(el, idx, el) !== false      })      return this    },    filter: function(selector){      if (isFunction(selector)) return this.not(this.not(selector))      return $(filter.call(this, function(element){        return zepto.matches(element, selector)      }))    },    add: function(selector,context){      return $(uniq(this.concat($(selector,context))))    },    is: function(selector){      return this.length > 0 && zepto.matches(this[0], selector)    },    not: function(selector){      var nodes=[]      if (isFunction(selector) && selector.call !== undefined)        this.each(function(idx){          if (!selector.call(this,idx)) nodes.push(this)        })      else {        var excludes = typeof selector == 'string' ? this.filter(selector) :          (likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector)        this.forEach(function(el){          if (excludes.indexOf(el) < 0) nodes.push(el)        })      }      return $(nodes)    },    has: function(selector){      return this.filter(function(){        return isObject(selector) ?          $.contains(this, selector) :          $(this).find(selector).size()      })    },    eq: function(idx){      return idx === -1 ? this.slice(idx) : this.slice(idx, + idx + 1)    },    first: function(){      var el = this[0]      return el && !isObject(el) ? el : $(el)    },    last: function(){      var el = this[this.length - 1]      return el && !isObject(el) ? el : $(el)    },    find: function(selector){      var result, $this = this      if (!selector) result = $()      else if (typeof selector == 'object')        result = $(selector).filter(function(){          var node = this          return emptyArray.some.call($this, function(parent){            return $.contains(parent, node)          })        })      else if (this.length == 1) result = $(zepto.qsa(this[0], selector))      else result = this.map(function(){ return zepto.qsa(this, selector) })      return result    },    closest: function(selector, context){      var nodes = [], collection = typeof selector == 'object' && $(selector)      this.each(function(_, node){        while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))          node = node !== context && !isDocument(node) && node.parentNode        if (node && nodes.indexOf(node) < 0) nodes.push(node)      })      return $(nodes)    },    parents: function(selector){      var ancestors = [], nodes = this      while (nodes.length > 0)        nodes = $.map(nodes, function(node){          if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) {            ancestors.push(node)            return node          }        })      return filtered(ancestors, selector)    },    parent: function(selector){      return filtered(uniq(this.pluck('parentNode')), selector)    },    children: function(selector){      return filtered(this.map(function(){ return children(this) }), selector)    },    contents: function() {      return this.map(function() { return this.contentDocument || slice.call(this.childNodes) })    },    siblings: function(selector){      return filtered(this.map(function(i, el){        return filter.call(children(el.parentNode), function(child){ return child!==el })      }), selector)    },    empty: function(){      return this.each(function(){ this.innerHTML = '' })    },    // `pluck` is borrowed from Prototype.js    pluck: function(property){      return $.map(this, function(el){ return el[property] })    },    show: function(){      return this.each(function(){        this.style.display == "none" && (this.style.display = '')        if (getComputedStyle(this, '').getPropertyValue("display") == "none")          this.style.display = defaultDisplay(this.nodeName)      })    },    replaceWith: function(newContent){      return this.before(newContent).remove()    },    wrap: function(structure){      var func = isFunction(structure)      if (this[0] && !func)        var dom   = $(structure).get(0),            clone = dom.parentNode || this.length > 1      return this.each(function(index){        $(this).wrapAll(          func ? structure.call(this, index) :            clone ? dom.cloneNode(true) : dom        )      })    },    wrapAll: function(structure){      if (this[0]) {        $(this[0]).before(structure = $(structure))        var children        // drill down to the inmost element        while ((children = structure.children()).length) structure = children.first()        $(structure).append(this)      }      return this    },    wrapInner: function(structure){      var func = isFunction(structure)      return this.each(function(index){        var self = $(this), contents = self.contents(),            dom  = func ? structure.call(this, index) : structure        contents.length ? contents.wrapAll(dom) : self.append(dom)      })    },    unwrap: function(){      this.parent().each(function(){        $(this).replaceWith($(this).children())      })      return this    },    clone: function(){      return this.map(function(){ return this.cloneNode(true) })    },    hide: function(){      return this.css("display", "none")    },    toggle: function(setting){      return this.each(function(){        var el = $(this)        ;(setting === undefined ? el.css("display") == "none" : setting) ? el.show() : el.hide()      })    },    prev: function(selector){ return $(this.pluck('previousElementSibling')).filter(selector || '*') },    next: function(selector){ return $(this.pluck('nextElementSibling')).filter(selector || '*') },    html: function(html){      return 0 in arguments ?        this.each(function(idx){          var originHtml = this.innerHTML          $(this).empty().append( funcArg(this, html, idx, originHtml) )        }) :        (0 in this ? this[0].innerHTML : null)    },    text: function(text){      return 0 in arguments ?        this.each(function(idx){          var newText = funcArg(this, text, idx, this.textContent)          this.textContent = newText == null ? '' : ''+newText        }) :        (0 in this ? this.pluck('textContent').join("") : null)    },    attr: function(name, value){      var result      return (typeof name == 'string' && !(1 in arguments)) ?        (0 in this && this[0].nodeType == 1 && (result = this[0].getAttribute(name)) != null ? result : undefined) :        this.each(function(idx){          if (this.nodeType !== 1) return          if (isObject(name)) for (key in name) setAttribute(this, key, name[key])          else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name)))        })    },    removeAttr: function(name){      return this.each(function(){ this.nodeType === 1 && name.split(' ').forEach(function(attribute){        setAttribute(this, attribute)      }, this)})    },    prop: function(name, value){      name = propMap[name] || name      return (1 in arguments) ?        this.each(function(idx){          this[name] = funcArg(this, value, idx, this[name])        }) :        (this[0] && this[0][name])    },    removeProp: function(name){      name = propMap[name] || name      return this.each(function(){ delete this[name] })    },    data: function(name, value){      var attrName = 'data-' + name.replace(capitalRE, '-$1').toLowerCase()      var data = (1 in arguments) ?        this.attr(attrName, value) :        this.attr(attrName)      return data !== null ? deserializeValue(data) : undefined    },    val: function(value){      if (0 in arguments) {        if (value == null) value = ""        return this.each(function(idx){          this.value = funcArg(this, value, idx, this.value)        })      } else {        return this[0] && (this[0].multiple ?           $(this[0]).find('option').filter(function(){ return this.selected }).pluck('value') :           this[0].value)      }    },    offset: function(coordinates){      if (coordinates) return this.each(function(index){        var $this = $(this),            coords = funcArg(this, coordinates, index, $this.offset()),            parentOffset = $this.offsetParent().offset(),            props = {              top:  coords.top  - parentOffset.top,              left: coords.left - parentOffset.left            }        if ($this.css('position') == 'static') props['position'] = 'relative'        $this.css(props)      })      if (!this.length) return null      if (document.documentElement !== this[0] && !$.contains(document.documentElement, this[0]))        return {top: 0, left: 0}      var obj = this[0].getBoundingClientRect()      return {        left: obj.left + window.pageXOffset,        top: obj.top + window.pageYOffset,        width: Math.round(obj.width),        height: Math.round(obj.height)      }    },    css: function(property, value){      if (arguments.length < 2) {        var element = this[0]        if (typeof property == 'string') {          if (!element) return          return element.style[camelize(property)] || getComputedStyle(element, '').getPropertyValue(property)        } else if (isArray(property)) {          if (!element) return          var props = {}          var computedStyle = getComputedStyle(element, '')          $.each(property, function(_, prop){            props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop))          })          return props        }      }      var css = ''      if (type(property) == 'string') {        if (!value && value !== 0)          this.each(function(){ this.style.removeProperty(dasherize(property)) })        else          css = dasherize(property) + ":" + maybeAddPx(property, value)      } else {        for (key in property)          if (!property[key] && property[key] !== 0)            this.each(function(){ this.style.removeProperty(dasherize(key)) })          else            css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'      }      return this.each(function(){ this.style.cssText += ';' + css })    },    index: function(element){      return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0])    },    hasClass: function(name){      if (!name) return false      return emptyArray.some.call(this, function(el){        return this.test(className(el))      }, classRE(name))    },    addClass: function(name){      if (!name) return this      return this.each(function(idx){        if (!('className' in this)) return        classList = []        var cls = className(this), newName = funcArg(this, name, idx, cls)        newName.split(/\s+/g).forEach(function(klass){          if (!$(this).hasClass(klass)) classList.push(klass)        }, this)        classList.length && className(this, cls + (cls ? " " : "") + classList.join(" "))      })    },    removeClass: function(name){      return this.each(function(idx){        if (!('className' in this)) return        if (name === undefined) return className(this, '')        classList = className(this)        funcArg(this, name, idx, classList).split(/\s+/g).forEach(function(klass){          classList = classList.replace(classRE(klass), " ")        })        className(this, classList.trim())      })    },    toggleClass: function(name, when){      if (!name) return this      return this.each(function(idx){        var $this = $(this), names = funcArg(this, name, idx, className(this))        names.split(/\s+/g).forEach(function(klass){          (when === undefined ? !$this.hasClass(klass) : when) ?            $this.addClass(klass) : $this.removeClass(klass)        })      })    },    scrollTop: function(value){      if (!this.length) return      var hasScrollTop = 'scrollTop' in this[0]      if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset      return this.each(hasScrollTop ?        function(){ this.scrollTop = value } :        function(){ this.scrollTo(this.scrollX, value) })    },    scrollLeft: function(value){      if (!this.length) return      var hasScrollLeft = 'scrollLeft' in this[0]      if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset      return this.each(hasScrollLeft ?        function(){ this.scrollLeft = value } :        function(){ this.scrollTo(value, this.scrollY) })    },    position: function() {      if (!this.length) return      var elem = this[0],        // Get *real* offsetParent        offsetParent = this.offsetParent(),        // Get correct offsets        offset       = this.offset(),        parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset()      // Subtract element margins      // note: when an element has margin: auto the offsetLeft and marginLeft      // are the same in Safari causing offset.left to incorrectly be 0      offset.top  -= parseFloat( $(elem).css('margin-top') ) || 0      offset.left -= parseFloat( $(elem).css('margin-left') ) || 0      // Add offsetParent borders      parentOffset.top  += parseFloat( $(offsetParent[0]).css('border-top-width') ) || 0      parentOffset.left += parseFloat( $(offsetParent[0]).css('border-left-width') ) || 0      // Subtract the two offsets      return {        top:  offset.top  - parentOffset.top,        left: offset.left - parentOffset.left      }    },    offsetParent: function() {      return this.map(function(){        var parent = this.offsetParent || document.body        while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")          parent = parent.offsetParent        return parent      })    }  }  // for now  $.fn.detach = $.fn.remove  // Generate the `width` and `height` functions  ;['width', 'height'].forEach(function(dimension){    var dimensionProperty =      dimension.replace(/./, function(m){ return m[0].toUpperCase() })    $.fn[dimension] = function(value){      var offset, el = this[0]      if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] :        isDocument(el) ? el.documentElement['scroll' + dimensionProperty] :        (offset = this.offset()) && offset[dimension]      else return this.each(function(idx){        el = $(this)        el.css(dimension, funcArg(this, value, idx, el[dimension]()))      })    }  })  function traverseNode(node, fun) {    fun(node)    for (var i = 0, len = node.childNodes.length; i < len; i++)      traverseNode(node.childNodes[i], fun)  }  // Generate the `after`, `prepend`, `before`, `append`,  // `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.  adjacencyOperators.forEach(function(operator, operatorIndex) {    var inside = operatorIndex % 2 //=> prepend, append    $.fn[operator] = function(){      // arguments can be nodes, arrays of nodes, Zepto objects and HTML strings      var argType, nodes = $.map(arguments, function(arg) {            var arr = []            argType = type(arg)            if (argType == "array") {              arg.forEach(function(el) {                if (el.nodeType !== undefined) return arr.push(el)                else if ($.zepto.isZ(el)) return arr = arr.concat(el.get())                arr = arr.concat(zepto.fragment(el))              })              return arr            }            return argType == "object" || arg == null ?              arg : zepto.fragment(arg)          }),          parent, copyByClone = this.length > 1      if (nodes.length < 1) return this      return this.each(function(_, target){        parent = inside ? target : target.parentNode        // convert all methods to a "before" operation        target = operatorIndex == 0 ? target.nextSibling :                 operatorIndex == 1 ? target.firstChild :                 operatorIndex == 2 ? target :                 null        var parentInDocument = $.contains(document.documentElement, parent)        nodes.forEach(function(node){          if (copyByClone) node = node.cloneNode(true)          else if (!parent) return $(node).remove()          parent.insertBefore(node, target)          if (parentInDocument) traverseNode(node, function(el){            if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' &&               (!el.type || el.type === 'text/javascript') && !el.src){              var target = el.ownerDocument ? el.ownerDocument.defaultView : window              target['eval'].call(target, el.innerHTML)            }          })        })      })    }    // after    => insertAfter    // prepend  => prependTo    // before   => insertBefore    // append   => appendTo    $.fn[inside ? operator+'To' : 'insert'+(operatorIndex ? 'Before' : 'After')] = function(html){      $(html)[operator](this)      return this    }  })  zepto.Z.prototype = Z.prototype = $.fn  // Export internal API functions in the `$.zepto` namespace  zepto.uniq = uniq  zepto.deserializeValue = deserializeValue  $.zepto = zepto  return $})()// If `$` is not yet defined, point it to `Zepto`window.Zepto = Zeptowindow.$ === undefined && (window.$ = Zepto)//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function($){  var jsonpID = +new Date(),      document = window.document,      key,      name,      rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,      scriptTypeRE = /^(?:text|application)\/javascript/i,      xmlTypeRE = /^(?:text|application)\/xml/i,      jsonType = 'application/json',      htmlType = 'text/html',      blankRE = /^\s*$/,      originAnchor = document.createElement('a')  originAnchor.href = window.location.href  // trigger a custom event and return false if it was cancelled  function triggerAndReturn(context, eventName, data) {    var event = $.Event(eventName)    $(context).trigger(event, data)    return !event.isDefaultPrevented()  }  // trigger an Ajax "global" event  function triggerGlobal(settings, context, eventName, data) {    if (settings.global) return triggerAndReturn(context || document, eventName, data)  }  // Number of active Ajax requests  $.active = 0  function ajaxStart(settings) {    if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart')  }  function ajaxStop(settings) {    if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop')  }  // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable  function ajaxBeforeSend(xhr, settings) {    var context = settings.context    if (settings.beforeSend.call(context, xhr, settings) === false ||        triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false)      return false    triggerGlobal(settings, context, 'ajaxSend', [xhr, settings])  }  function ajaxSuccess(data, xhr, settings, deferred) {    var context = settings.context, status = 'success'    settings.success.call(context, data, status, xhr)    if (deferred) deferred.resolveWith(context, [data, status, xhr])    triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data])    ajaxComplete(status, xhr, settings)  }  // type: "timeout", "error", "abort", "parsererror"  function ajaxError(error, type, xhr, settings, deferred) {    var context = settings.context    settings.error.call(context, xhr, type, error)    if (deferred) deferred.rejectWith(context, [xhr, type, error])    triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type])    ajaxComplete(type, xhr, settings)  }  // status: "success", "notmodified", "error", "timeout", "abort", "parsererror"  function ajaxComplete(status, xhr, settings) {    var context = settings.context    settings.complete.call(context, xhr, status)    triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings])    ajaxStop(settings)  }  function ajaxDataFilter(data, type, settings) {    if (settings.dataFilter == empty) return data    var context = settings.context    return settings.dataFilter.call(context, data, type)  }  // Empty function, used as default callback  function empty() {}  $.ajaxJSONP = function(options, deferred){    if (!('type' in options)) return $.ajax(options)    var _callbackName = options.jsonpCallback,      callbackName = ($.isFunction(_callbackName) ?        _callbackName() : _callbackName) || ('Zepto' + (jsonpID++)),      script = document.createElement('script'),      originalCallback = window[callbackName],      responseData,      abort = function(errorType) {        $(script).triggerHandler('error', errorType || 'abort')      },      xhr = { abort: abort }, abortTimeout    if (deferred) deferred.promise(xhr)    $(script).on('load error', function(e, errorType){      clearTimeout(abortTimeout)      $(script).off().remove()      if (e.type == 'error' || !responseData) {        ajaxError(null, errorType || 'error', xhr, options, deferred)      } else {        ajaxSuccess(responseData[0], xhr, options, deferred)      }      window[callbackName] = originalCallback      if (responseData && $.isFunction(originalCallback))        originalCallback(responseData[0])      originalCallback = responseData = undefined    })    if (ajaxBeforeSend(xhr, options) === false) {      abort('abort')      return xhr    }    window[callbackName] = function(){      responseData = arguments    }    script.src = options.url.replace(/\?(.+)=\?/, '?$1=' + callbackName)    document.head.appendChild(script)    if (options.timeout > 0) abortTimeout = setTimeout(function(){      abort('timeout')    }, options.timeout)    return xhr  }  $.ajaxSettings = {    // Default type of request    type: 'GET',    // Callback that is executed before request    beforeSend: empty,    // Callback that is executed if the request succeeds    success: empty,    // Callback that is executed the the server drops error    error: empty,    // Callback that is executed on request complete (both: error and success)    complete: empty,    // The context for the callbacks    context: null,    // Whether to trigger "global" Ajax events    global: true,    // Transport    xhr: function () {      return new window.XMLHttpRequest()    },    // MIME types mapping    // IIS returns Javascript as "application/x-javascript"    accepts: {      script: 'text/javascript, application/javascript, application/x-javascript',      json:   jsonType,      xml:    'application/xml, text/xml',      html:   htmlType,      text:   'text/plain'    },    // Whether the request is to another domain    crossDomain: false,    // Default timeout    timeout: 0,    // Whether data should be serialized to string    processData: true,    // Whether the browser should be allowed to cache GET responses    cache: true,    //Used to handle the raw response data of XMLHttpRequest.    //This is a pre-filtering function to sanitize the response.    //The sanitized response should be returned    dataFilter: empty  }  function mimeToDataType(mime) {    if (mime) mime = mime.split(';', 2)[0]    return mime && ( mime == htmlType ? 'html' :      mime == jsonType ? 'json' :      scriptTypeRE.test(mime) ? 'script' :      xmlTypeRE.test(mime) && 'xml' ) || 'text'  }  function appendQuery(url, query) {    if (query == '') return url    return (url + '&' + query).replace(/[&?]{1,2}/, '?')  }  // serialize payload and append it to the URL for GET requests  function serializeData(options) {    if (options.processData && options.data && $.type(options.data) != "string")      options.data = $.param(options.data, options.traditional)    if (options.data && (!options.type || options.type.toUpperCase() == 'GET' || 'jsonp' == options.dataType))      options.url = appendQuery(options.url, options.data), options.data = undefined  }  $.ajax = function(options){    var settings = $.extend({}, options || {}),        deferred = $.Deferred && $.Deferred(),        urlAnchor, hashIndex    for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key]    ajaxStart(settings)    if (!settings.crossDomain) {      urlAnchor = document.createElement('a')      urlAnchor.href = settings.url      // cleans up URL for .href (IE only), see https://github.com/madrobby/zepto/pull/1049      urlAnchor.href = urlAnchor.href      settings.crossDomain = (originAnchor.protocol + '//' + originAnchor.host) !== (urlAnchor.protocol + '//' + urlAnchor.host)    }    if (!settings.url) settings.url = window.location.toString()    if ((hashIndex = settings.url.indexOf('#')) > -1) settings.url = settings.url.slice(0, hashIndex)    serializeData(settings)    var dataType = settings.dataType, hasPlaceholder = /\?.+=\?/.test(settings.url)    if (hasPlaceholder) dataType = 'jsonp'    if (settings.cache === false || (         (!options || options.cache !== true) &&         ('script' == dataType || 'jsonp' == dataType)        ))      settings.url = appendQuery(settings.url, '_=' + Date.now())    if ('jsonp' == dataType) {      if (!hasPlaceholder)        settings.url = appendQuery(settings.url,          settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?')      return $.ajaxJSONP(settings, deferred)    }    var mime = settings.accepts[dataType],        headers = { },        setHeader = function(name, value) { headers[name.toLowerCase()] = [name, value] },        protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol,        xhr = settings.xhr(),        nativeSetHeader = xhr.setRequestHeader,        abortTimeout    if (deferred) deferred.promise(xhr)    if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest')    setHeader('Accept', mime || '*/*')    if (mime = settings.mimeType || mime) {      if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0]      xhr.overrideMimeType && xhr.overrideMimeType(mime)    }    if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET'))      setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded')    if (settings.headers) for (name in settings.headers) setHeader(name, settings.headers[name])    xhr.setRequestHeader = setHeader    xhr.onreadystatechange = function(){      if (xhr.readyState == 4) {        xhr.onreadystatechange = empty        clearTimeout(abortTimeout)        var result, error = false        if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) {          dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'))          if (xhr.responseType == 'arraybuffer' || xhr.responseType == 'blob')            result = xhr.response          else {            result = xhr.responseText            try {              // http://perfectionkills.com/global-eval-what-are-the-options/              // sanitize response accordingly if data filter callback provided              result = ajaxDataFilter(result, dataType, settings)              if (dataType == 'script')    (1,eval)(result)              else if (dataType == 'xml')  result = xhr.responseXML              else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result)            } catch (e) { error = e }            if (error) return ajaxError(error, 'parsererror', xhr, settings, deferred)          }          ajaxSuccess(result, xhr, settings, deferred)        } else {          ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred)        }      }    }    if (ajaxBeforeSend(xhr, settings) === false) {      xhr.abort()      ajaxError(null, 'abort', xhr, settings, deferred)      return xhr    }    var async = 'async' in settings ? settings.async : true    xhr.open(settings.type, settings.url, async, settings.username, settings.password)    if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]    for (name in headers) nativeSetHeader.apply(xhr, headers[name])    if (settings.timeout > 0) abortTimeout = setTimeout(function(){        xhr.onreadystatechange = empty        xhr.abort()        ajaxError(null, 'timeout', xhr, settings, deferred)      }, settings.timeout)    // avoid sending empty string (#319)    xhr.send(settings.data ? settings.data : null)    return xhr  }  // handle optional data/success arguments  function parseArguments(url, data, success, dataType) {    if ($.isFunction(data)) dataType = success, success = data, data = undefined    if (!$.isFunction(success)) dataType = success, success = undefined    return {      url: url    , data: data    , success: success    , dataType: dataType    }  }  $.get = function(/* url, data, success, dataType */){    return $.ajax(parseArguments.apply(null, arguments))  }  $.post = function(/* url, data, success, dataType */){    var options = parseArguments.apply(null, arguments)    options.type = 'POST'    return $.ajax(options)  }  $.getJSON = function(/* url, data, success */){    var options = parseArguments.apply(null, arguments)    options.dataType = 'json'    return $.ajax(options)  }  $.fn.load = function(url, data, success){    if (!this.length) return this    var self = this, parts = url.split(/\s/), selector,        options = parseArguments(url, data, success),        callback = options.success    if (parts.length > 1) options.url = parts[0], selector = parts[1]    options.success = function(response){      self.html(selector ?        $('<div>').html(response.replace(rscript, "")).find(selector)        : response)      callback && callback.apply(self, arguments)    }    $.ajax(options)    return this  }  var escape = encodeURIComponent  function serialize(params, obj, traditional, scope){    var type, array = $.isArray(obj), hash = $.isPlainObject(obj)    $.each(obj, function(key, value) {      type = $.type(value)      if (scope) key = traditional ? scope :        scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'      // handle data in serializeArray() format      if (!scope && array) params.add(value.name, value.value)      // recurse into nested objects      else if (type == "array" || (!traditional && type == "object"))        serialize(params, value, traditional, key)      else params.add(key, value)    })  }  $.param = function(obj, traditional){    var params = []    params.add = function(key, value) {      if ($.isFunction(value)) value = value()      if (value == null) value = ""      this.push(escape(key) + '=' + escape(value))    }    serialize(params, obj, traditional)    return params.join('&').replace(/%20/g, '+')  }})(Zepto)//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function($){  var _zid = 1, undefined,      slice = Array.prototype.slice,      isFunction = $.isFunction,      isString = function(obj){ return typeof obj == 'string' },      handlers = {},      specialEvents={},      focusinSupported = 'onfocusin' in window,      focus = { focus: 'focusin', blur: 'focusout' },      hover = { mouseenter: 'mouseover', mouseleave: 'mouseout' }  specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'  function zid(element) {    return element._zid || (element._zid = _zid++)  }  function findHandlers(element, event, fn, selector) {    event = parse(event)    if (event.ns) var matcher = matcherFor(event.ns)    return (handlers[zid(element)] || []).filter(function(handler) {      return handler        && (!event.e  || handler.e == event.e)        && (!event.ns || matcher.test(handler.ns))        && (!fn       || zid(handler.fn) === zid(fn))        && (!selector || handler.sel == selector)    })  }  function parse(event) {    var parts = ('' + event).split('.')    return {e: parts[0], ns: parts.slice(1).sort().join(' ')}  }  function matcherFor(ns) {    return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)')  }  function eventCapture(handler, captureSetting) {    return handler.del &&      (!focusinSupported && (handler.e in focus)) ||      !!captureSetting  }  function realEvent(type) {    return hover[type] || (focusinSupported && focus[type]) || type  }  function add(element, events, fn, data, selector, delegator, capture){    var id = zid(element), set = (handlers[id] || (handlers[id] = []))    events.split(/\s/).forEach(function(event){      if (event == 'ready') return $(document).ready(fn)      var handler   = parse(event)      handler.fn    = fn      handler.sel   = selector      // emulate mouseenter, mouseleave      if (handler.e in hover) fn = function(e){        var related = e.relatedTarget        if (!related || (related !== this && !$.contains(this, related)))          return handler.fn.apply(this, arguments)      }      handler.del   = delegator      var callback  = delegator || fn      handler.proxy = function(e){        e = compatible(e)        if (e.isImmediatePropagationStopped()) return        e.data = data        var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args))        if (result === false) e.preventDefault(), e.stopPropagation()        return result      }      handler.i = set.length      set.push(handler)      if ('addEventListener' in element)        element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))    })  }  function remove(element, events, fn, selector, capture){    var id = zid(element)    ;(events || '').split(/\s/).forEach(function(event){      findHandlers(element, event, fn, selector).forEach(function(handler){        delete handlers[id][handler.i]      if ('removeEventListener' in element)        element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))      })    })  }  $.event = { add: add, remove: remove }  $.proxy = function(fn, context) {    var args = (2 in arguments) && slice.call(arguments, 2)    if (isFunction(fn)) {      var proxyFn = function(){ return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments) }      proxyFn._zid = zid(fn)      return proxyFn    } else if (isString(context)) {      if (args) {        args.unshift(fn[context], fn)        return $.proxy.apply(null, args)      } else {        return $.proxy(fn[context], fn)      }    } else {      throw new TypeError("expected function")    }  }  $.fn.bind = function(event, data, callback){    return this.on(event, data, callback)  }  $.fn.unbind = function(event, callback){    return this.off(event, callback)  }  $.fn.one = function(event, selector, data, callback){    return this.on(event, selector, data, callback, 1)  }  var returnTrue = function(){return true},      returnFalse = function(){return false},      ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$|webkitMovement[XY]$)/,      eventMethods = {        preventDefault: 'isDefaultPrevented',        stopImmediatePropagation: 'isImmediatePropagationStopped',        stopPropagation: 'isPropagationStopped'      }  function compatible(event, source) {    if (source || !event.isDefaultPrevented) {      source || (source = event)      $.each(eventMethods, function(name, predicate) {        var sourceMethod = source[name]        event[name] = function(){          this[predicate] = returnTrue          return sourceMethod && sourceMethod.apply(source, arguments)        }        event[predicate] = returnFalse      })      event.timeStamp || (event.timeStamp = Date.now())      if (source.defaultPrevented !== undefined ? source.defaultPrevented :          'returnValue' in source ? source.returnValue === false :          source.getPreventDefault && source.getPreventDefault())        event.isDefaultPrevented = returnTrue    }    return event  }  function createProxy(event) {    var key, proxy = { originalEvent: event }    for (key in event)      if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]    return compatible(proxy, event)  }  $.fn.delegate = function(selector, event, callback){    return this.on(event, selector, callback)  }  $.fn.undelegate = function(selector, event, callback){    return this.off(event, selector, callback)  }  $.fn.live = function(event, callback){    $(document.body).delegate(this.selector, event, callback)    return this  }  $.fn.die = function(event, callback){    $(document.body).undelegate(this.selector, event, callback)    return this  }  $.fn.on = function(event, selector, data, callback, one){    var autoRemove, delegator, $this = this    if (event && !isString(event)) {      $.each(event, function(type, fn){        $this.on(type, selector, data, fn, one)      })      return $this    }    if (!isString(selector) && !isFunction(callback) && callback !== false)      callback = data, data = selector, selector = undefined    if (callback === undefined || data === false)      callback = data, data = undefined    if (callback === false) callback = returnFalse    return $this.each(function(_, element){      if (one) autoRemove = function(e){        remove(element, e.type, callback)        return callback.apply(this, arguments)      }      if (selector) delegator = function(e){        var evt, match = $(e.target).closest(selector, element).get(0)        if (match && match !== element) {          evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element})          return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1)))        }      }      add(element, event, callback, data, selector, delegator || autoRemove)    })  }  $.fn.off = function(event, selector, callback){    var $this = this    if (event && !isString(event)) {      $.each(event, function(type, fn){        $this.off(type, selector, fn)      })      return $this    }    if (!isString(selector) && !isFunction(callback) && callback !== false)      callback = selector, selector = undefined    if (callback === false) callback = returnFalse    return $this.each(function(){      remove(this, event, callback, selector)    })  }  $.fn.trigger = function(event, args){    event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event)    event._args = args    return this.each(function(){      // handle focus(), blur() by calling them directly      if (event.type in focus && typeof this[event.type] == "function") this[event.type]()      // items in the collection might not be DOM elements      else if ('dispatchEvent' in this) this.dispatchEvent(event)      else $(this).triggerHandler(event, args)    })  }  // triggers event handlers on current element just as if an event occurred,  // doesn't trigger an actual event, doesn't bubble  $.fn.triggerHandler = function(event, args){    var e, result    this.each(function(i, element){      e = createProxy(isString(event) ? $.Event(event) : event)      e._args = args      e.target = element      $.each(findHandlers(element, event.type || event), function(i, handler){        result = handler.proxy(e)        if (e.isImmediatePropagationStopped()) return false      })    })    return result  }  // shortcut methods for `.bind(event, fn)` for each event type  ;('focusin focusout focus blur load resize scroll unload click dblclick '+  'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+  'change select keydown keypress keyup error').split(' ').forEach(function(event) {    $.fn[event] = function(callback) {      return (0 in arguments) ?        this.bind(event, callback) :        this.trigger(event)    }  })  $.Event = function(type, props) {    if (!isString(type)) props = type, type = props.type    var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true    if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])    event.initEvent(type, bubbles, true)    return compatible(event)  }})(Zepto)//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function($){  $.fn.serializeArray = function() {    var name, type, result = [],      add = function(value) {        if (value.forEach) return value.forEach(add)        result.push({ name: name, value: value })      }    if (this[0]) $.each(this[0].elements, function(_, field){      type = field.type, name = field.name      if (name && field.nodeName.toLowerCase() != 'fieldset' &&        !field.disabled && type != 'submit' && type != 'reset' && type != 'button' && type != 'file' &&        ((type != 'radio' && type != 'checkbox') || field.checked))          add($(field).val())    })    return result  }  $.fn.serialize = function(){    var result = []    this.serializeArray().forEach(function(elm){      result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value))    })    return result.join('&')  }  $.fn.submit = function(callback) {    if (0 in arguments) this.bind('submit', callback)    else if (this.length) {      var event = $.Event('submit')      this.eq(0).trigger(event)      if (!event.isDefaultPrevented()) this.get(0).submit()    }    return this  }})(Zepto)//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function($, undefined){  var prefix = '', eventPrefix,    vendors = { Webkit: 'webkit', Moz: '', O: 'o' },    testEl = document.createElement('div'),    supportedTransforms = /^((translate|rotate|scale)(X|Y|Z|3d)?|matrix(3d)?|perspective|skew(X|Y)?)$/i,    transform,    transitionProperty, transitionDuration, transitionTiming, transitionDelay,    animationName, animationDuration, animationTiming, animationDelay,    cssReset = {}  function dasherize(str) { return str.replace(/([A-Z])/g, '-$1').toLowerCase() }  function normalizeEvent(name) { return eventPrefix ? eventPrefix + name : name.toLowerCase() }  if (testEl.style.transform === undefined) $.each(vendors, function(vendor, event){    if (testEl.style[vendor + 'TransitionProperty'] !== undefined) {      prefix = '-' + vendor.toLowerCase() + '-'      eventPrefix = event      return false    }  })  transform = prefix + 'transform'  cssReset[transitionProperty = prefix + 'transition-property'] =  cssReset[transitionDuration = prefix + 'transition-duration'] =  cssReset[transitionDelay    = prefix + 'transition-delay'] =  cssReset[transitionTiming   = prefix + 'transition-timing-function'] =  cssReset[animationName      = prefix + 'animation-name'] =  cssReset[animationDuration  = prefix + 'animation-duration'] =  cssReset[animationDelay     = prefix + 'animation-delay'] =  cssReset[animationTiming    = prefix + 'animation-timing-function'] = ''  $.fx = {    off: (eventPrefix === undefined && testEl.style.transitionProperty === undefined),    speeds: { _default: 400, fast: 200, slow: 600 },    cssPrefix: prefix,    transitionEnd: normalizeEvent('TransitionEnd'),    animationEnd: normalizeEvent('AnimationEnd')  }  $.fn.animate = function(properties, duration, ease, callback, delay){    if ($.isFunction(duration))      callback = duration, ease = undefined, duration = undefined    if ($.isFunction(ease))      callback = ease, ease = undefined    if ($.isPlainObject(duration))      ease = duration.easing, callback = duration.complete, delay = duration.delay, duration = duration.duration    if (duration) duration = (typeof duration == 'number' ? duration :                    ($.fx.speeds[duration] || $.fx.speeds._default)) / 1000    if (delay) delay = parseFloat(delay) / 1000    return this.anim(properties, duration, ease, callback, delay)  }  $.fn.anim = function(properties, duration, ease, callback, delay){    var key, cssValues = {}, cssProperties, transforms = '',        that = this, wrappedCallback, endEvent = $.fx.transitionEnd,        fired = false    if (duration === undefined) duration = $.fx.speeds._default / 1000    if (delay === undefined) delay = 0    if ($.fx.off) duration = 0    if (typeof properties == 'string') {      // keyframe animation      cssValues[animationName] = properties      cssValues[animationDuration] = duration + 's'      cssValues[animationDelay] = delay + 's'      cssValues[animationTiming] = (ease || 'linear')      endEvent = $.fx.animationEnd    } else {      cssProperties = []      // CSS transitions      for (key in properties)        if (supportedTransforms.test(key)) transforms += key + '(' + properties[key] + ') '        else cssValues[key] = properties[key], cssProperties.push(dasherize(key))      if (transforms) cssValues[transform] = transforms, cssProperties.push(transform)      if (duration > 0 && typeof properties === 'object') {        cssValues[transitionProperty] = cssProperties.join(', ')        cssValues[transitionDuration] = duration + 's'        cssValues[transitionDelay] = delay + 's'        cssValues[transitionTiming] = (ease || 'linear')      }    }    wrappedCallback = function(event){      if (typeof event !== 'undefined') {        if (event.target !== event.currentTarget) return // makes sure the event didn't bubble from "below"        $(event.target).unbind(endEvent, wrappedCallback)      } else        $(this).unbind(endEvent, wrappedCallback) // triggered by setTimeout      fired = true      $(this).css(cssReset)      callback && callback.call(this)    }    if (duration > 0){      this.bind(endEvent, wrappedCallback)      // transitionEnd is not always firing on older Android phones      // so make sure it gets fired      setTimeout(function(){        if (fired) return        wrappedCallback.call(that)      }, ((duration + delay) * 1000) + 25)    }    // trigger page reflow so new elements can animate    this.size() && this.get(0).clientLeft    this.css(cssValues)    if (duration <= 0) setTimeout(function() {      that.each(function(){ wrappedCallback.call(this) })    }, 0)    return this  }  testEl = null})(Zepto)//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function($, undefined){  var document = window.document, docElem = document.documentElement,    origShow = $.fn.show, origHide = $.fn.hide, origToggle = $.fn.toggle  function anim(el, speed, opacity, scale, callback) {    if (typeof speed == 'function' && !callback) callback = speed, speed = undefined    var props = { opacity: opacity }    if (scale) {      props.scale = scale      el.css($.fx.cssPrefix + 'transform-origin', '0 0')    }    return el.animate(props, speed, null, callback)  }  function hide(el, speed, scale, callback) {    return anim(el, speed, 0, scale, function(){      origHide.call($(this))      callback && callback.call(this)    })  }  $.fn.show = function(speed, callback) {    origShow.call(this)    if (speed === undefined) speed = 0    else this.css('opacity', 0)    return anim(this, speed, 1, '1,1', callback)  }  $.fn.hide = function(speed, callback) {    if (speed === undefined) return origHide.call(this)    else return hide(this, speed, '0,0', callback)  }  $.fn.toggle = function(speed, callback) {    if (speed === undefined || typeof speed == 'boolean')      return origToggle.call(this, speed)    else return this.each(function(){      var el = $(this)      el[el.css('display') == 'none' ? 'show' : 'hide'](speed, callback)    })  }  $.fn.fadeTo = function(speed, opacity, callback) {    return anim(this, speed, opacity, null, callback)  }  $.fn.fadeIn = function(speed, callback) {    var target = this.css('opacity')    if (target > 0) this.css('opacity', 0)    else target = 1    return origShow.call(this).fadeTo(speed, target, callback)  }  $.fn.fadeOut = function(speed, callback) {    return hide(this, speed, null, callback)  }  $.fn.fadeToggle = function(speed, callback) {    return this.each(function(){      var el = $(this)      el[        (el.css('opacity') == 0 || el.css('display') == 'none') ? 'fadeIn' : 'fadeOut'      ](speed, callback)    })  }})(Zepto)//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function(){  // getComputedStyle shouldn't freak out when called  // without a valid element as argument  try {    getComputedStyle(undefined)  } catch(e) {    var nativeGetComputedStyle = getComputedStyle    window.getComputedStyle = function(element, pseudoElement){      try {        return nativeGetComputedStyle(element, pseudoElement)      } catch(e) {        return null      }    }  }})()//     Zepto.js//     (c) 2010-2016 Thomas Fuchs//     Zepto.js may be freely distributed under the MIT license.;(function($){  var touch = {},    touchTimeout, tapTimeout, swipeTimeout, longTapTimeout,    longTapDelay = 750,    gesture  function swipeDirection(x1, x2, y1, y2) {    return Math.abs(x1 - x2) >=      Math.abs(y1 - y2) ? (x1 - x2 > 0 ? 'Left' : 'Right') : (y1 - y2 > 0 ? 'Up' : 'Down')  }  function longTap() {    longTapTimeout = null    if (touch.last) {      touch.el.trigger('longTap')      touch = {}    }  }  function cancelLongTap() {    if (longTapTimeout) clearTimeout(longTapTimeout)    longTapTimeout = null  }  function cancelAll() {    if (touchTimeout) clearTimeout(touchTimeout)    if (tapTimeout) clearTimeout(tapTimeout)    if (swipeTimeout) clearTimeout(swipeTimeout)    if (longTapTimeout) clearTimeout(longTapTimeout)    touchTimeout = tapTimeout = swipeTimeout = longTapTimeout = null    touch = {}  }  function isPrimaryTouch(event){    return (event.pointerType == 'touch' ||      event.pointerType == event.MSPOINTER_TYPE_TOUCH)      && event.isPrimary  }  function isPointerEventType(e, type){    return (e.type == 'pointer'+type ||      e.type.toLowerCase() == 'mspointer'+type)  }  $(document).ready(function(){    var now, delta, deltaX = 0, deltaY = 0, firstTouch, _isPointerType    if ('MSGesture' in window) {      gesture = new MSGesture()      gesture.target = document.body    }    $(document)      .bind('MSGestureEnd', function(e){        var swipeDirectionFromVelocity =          e.velocityX > 1 ? 'Right' : e.velocityX < -1 ? 'Left' : e.velocityY > 1 ? 'Down' : e.velocityY < -1 ? 'Up' : null        if (swipeDirectionFromVelocity) {          touch.el.trigger('swipe')          touch.el.trigger('swipe'+ swipeDirectionFromVelocity)        }      })      .on('touchstart MSPointerDown pointerdown', function(e){        if((_isPointerType = isPointerEventType(e, 'down')) &&          !isPrimaryTouch(e)) return        firstTouch = _isPointerType ? e : e.touches[0]        if (e.touches && e.touches.length === 1 && touch.x2) {          // Clear out touch movement data if we have it sticking around          // This can occur if touchcancel doesn't fire due to preventDefault, etc.          touch.x2 = undefined          touch.y2 = undefined        }        now = Date.now()        delta = now - (touch.last || now)        touch.el = $('tagName' in firstTouch.target ?          firstTouch.target : firstTouch.target.parentNode)        touchTimeout && clearTimeout(touchTimeout)        touch.x1 = firstTouch.pageX        touch.y1 = firstTouch.pageY        if (delta > 0 && delta <= 250) touch.isDoubleTap = true        touch.last = now        longTapTimeout = setTimeout(longTap, longTapDelay)        // adds the current touch contact for IE gesture recognition        if (gesture && _isPointerType) gesture.addPointer(e.pointerId)      })      .on('touchmove MSPointerMove pointermove', function(e){        if((_isPointerType = isPointerEventType(e, 'move')) &&          !isPrimaryTouch(e)) return        firstTouch = _isPointerType ? e : e.touches[0]        cancelLongTap()        touch.x2 = firstTouch.pageX        touch.y2 = firstTouch.pageY        deltaX += Math.abs(touch.x1 - touch.x2)        deltaY += Math.abs(touch.y1 - touch.y2)      })      .on('touchend MSPointerUp pointerup', function(e){        if((_isPointerType = isPointerEventType(e, 'up')) &&          !isPrimaryTouch(e)) return        cancelLongTap()        // swipe        if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) ||            (touch.y2 && Math.abs(touch.y1 - touch.y2) > 30))          swipeTimeout = setTimeout(function() {            if (touch.el){              touch.el.trigger('swipe')              touch.el.trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)))            }            touch = {}          }, 0)        // normal tap        else if ('last' in touch)          // don't fire tap when delta position changed by more than 30 pixels,          // for instance when moving to a point and back to origin          if (deltaX < 30 && deltaY < 30) {            // delay by one tick so we can cancel the 'tap' event if 'scroll' fires            // ('tap' fires before 'scroll')            tapTimeout = setTimeout(function() {              // trigger universal 'tap' with the option to cancelTouch()              // (cancelTouch cancels processing of single vs double taps for faster 'tap' response)              var event = $.Event('tap')              event.cancelTouch = cancelAll              // [by paper] fix -> "TypeError: 'undefined' is not an object (evaluating 'touch.el.trigger'), when double tap              if (touch.el) touch.el.trigger(event)              // trigger double tap immediately              if (touch.isDoubleTap) {                if (touch.el) touch.el.trigger('doubleTap')                touch = {}              }              // trigger single tap after 250ms of inactivity              else {                touchTimeout = setTimeout(function(){                  touchTimeout = null                  if (touch.el) touch.el.trigger('singleTap')                  touch = {}                }, 250)              }            }, 0)          } else {            touch = {}          }          deltaX = deltaY = 0      })      // when the browser window loses focus,      // for example when a modal dialog is shown,      // cancel all ongoing events      .on('touchcancel MSPointerCancel pointercancel', cancelAll)    // scrolling the window indicates intention of the user    // to scroll, not tap or swipe, so cancel all ongoing events    $(window).on('scroll', cancelAll)  })  ;['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown',    'doubleTap', 'tap', 'singleTap', 'longTap'].forEach(function(eventName){    $.fn[eventName] = function(callback){ return this.on(eventName, callback) }  })})(Zepto)