常見的跑馬燈動圖抽獎的案例

時間 2019-11-19

標籤常見的馬燈抽獎案例简体版

原文原文鏈接

//抽獎的案例javascript

<script type="text/javascript">
    var alldata = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z";
    var alldataarr = alldata.split(",");
    var num = alldataarr.length - 1;
    var timer;
    function start() {
        clearInterval(timer);
        timer = setInterval('change()', 10);
    }
    function change() {
        document.getElementById("oknum").innerHTML = alldataarr[GetRnd(0, num)];
    }
    function GetRnd(min, max) {
        return parseInt(Math.random() * (max - min + 1));
    }
    function ok() {
        clearInterval(timer);
        document.getElementById("showresult").value = document.getElementById("oknum").innerText;
    }
</script>

<div id="oknum" name="oknum">請單擊開始</div>
<button onclick="start()" accesskey="s">開始</button>    <!--//accesskey 屬性規定激活（使元素得到焦點）元素的快捷鍵。-->
<button onclick="ok()" accesskey="o">中止</button>
您的選擇是：
<input type="text" id="showresult" value=""/>

//動圖的案例

<div>
    <img src="./a1.jpg" alt="boom" id="img" width="500" height="500">
</div>

<script>
    window.onload= function () {
        setInterval(step,1000);
    }
    var num=1;
    function step(){
        if(num<5){
            num++;
        }else {
            num=1;
        }
//        console.log(num);
        var dom = document.getElementById("img");
        dom.src='./a'+num+'.jpg';
    }
</script>


//跑馬燈的案例

<!doctype html><html lang="en"><head>    <meta charset="UTF-8">    <title>Document</title>    <script src="jquery-3.2.1.min.js"></script>    <script>        ( function ($) {            $.fn.extend({                RollTitle: function (opt, callback) {                    if (!opt) var opt = {};                    var _this = this;                    _this.timer = null;                    _this.lineH = _this.find("li:first").height();                    _this.line = opt.line ? parseInt(opt.line, 15) : parseInt(_this.height() / _this.lineH, 10);                    _this.speed = opt.speed ? parseInt(opt.speed, 10) : 3000;                    _this.timespan = opt.timespan ? parseInt(opt.timespan, 13) : 5000;                    if (_this.line == 0) this.line = 1;                    _this.upHeight = 0 - _this.line * _this.lineH;                    _this.scrollUp = function () {                        _this.animate({                            marginTop: _this.upHeight                        }, _this.speed, function () {                            for (i = 1; i <= _this.line; i++) {                                _this.find("li:first").appendTo(_this);                            }                            _this.css({ marginTop: 0 });                        });                    };                    _this.hover(function () {                        clearInterval(_this.timer);                    }, function () {                        _this.timer = setInterval(function () { _this.scrollUp(); }, _this.timespan);                    }).mouseout();                }            })})(jQuery);    </script></head><body><ul id="RunTopic" style="list-style:none ;background:#0ff ;border:2px dashed blue;width:100px;" >    <li style="color:red">i love you</li>    <li style="color:pink">I LOVE YOU</li>    <li style="color:blue">I LOVE you</li>    <li style="color:green">i LOVE YOU</li>    <li style="color:yellowgreen">I love YOU</li></ul><br/><input   type="button" onclick="test();" value="啓動" ><input   type="button" onclick="stop();" value="中止" ><script>    var timer;    function test()    {        clearInterval(timer);        timer = setInterval(test,1000);        $("#RunTopic").find("li:first").appendTo($("#RunTopic"));    }    function stop(){        clearInterval(timer);    }</script></body></html>

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常見的跑馬燈 動圖 抽獎的案例

常見的跑馬燈動圖抽獎的案例