Emmet (前身爲 Zen Coding) 是一個能大幅度提升前端開發效率的一個工具。php
基本上,大多數的文本編輯器都會容許你存儲和重用一些代碼塊,咱們稱之爲「片斷」。雖然片斷能很好地推進你得生產力,但大多數的實現都有這樣一個缺點:你必須先定義你得代碼片斷,而且不能再運行時進行拓展。css
Emmet把片斷這個概念提升到了一個新的層次:你能夠設置CSS形式的可以動態被解析的表達式,而後根據你所輸入的縮寫來獲得相應的內容。Emmet是很成熟的而且很是適用於編寫HTML/XML 和 CSS 代碼的前端開發人員,但也能夠用於編程語言。html
在編輯器中輸入縮寫代碼ul>li*5
,而後按下拓展鍵(默認爲tab
),便可獲得代碼片斷:前端
<ul> <li></li> <li></li> <li></li> <li></li> <li></li> </ul>
如下都是Emmet爲編輯器提供的安裝插件。git
Sublime Textgithub
TextMate編程
Codavim
Espressowindows
下面這些編輯器的插件都是由第三方開發者所提供的,因此可能並不支持全部Emmet的功能和特性。
>
nav>ul>li
<nav> <ul> <li></li> </ul> </nav>
+
div+p+bq
<div></div> <p></p> <blockquote></blockquote>
^
div+div>p>span+em^bq
<div></div> <div> <p><span></span><em></em></p> <blockquote></blockquote> </div>
div+div>p>span+em^^bq
<div></div> <div> <p><span></span><em></em></p> </div> <blockquote></blockquote>
()
div>(header>ul>li*2>a)+footer>p
<div> <header> <ul> <li><a href=""></a></li> <li><a href=""></a></li> </ul> </header> <footer> <p></p> </footer> </div>
(div>dl>(dt+dd)*3)+footer>p
<div> <dl> <dt></dt> <dd></dd> <dt></dt> <dd></dd> <dt></dt> <dd></dd> </dl> </div> <footer> <p></p> </footer>
*
ul>li*5
<ul> <li></li> <li></li> <li></li> <li></li> <li></li> </ul>
$
ul>li.item$*5
<ul> <li class="item1"></li> <li class="item2"></li> <li class="item3"></li> <li class="item4"></li> <li class="item5"></li> </ul>
h$[title=item$]{Header $}*3
<h1 title="item1">Header 1</h1> <h2 title="item2">Header 2</h2> <h3 title="item3">Header 3</h3>
ul>li.item$$$*5
<ul> <li class="item001"></li> <li class="item002"></li> <li class="item003"></li> <li class="item004"></li> <li class="item005"></li> </ul>
ul>li.item$@-*5
<ul> <li class="item5"></li> <li class="item4"></li> <li class="item3"></li> <li class="item2"></li> <li class="item1"></li> </ul>
ul>li.item$@3*5
<ul> <li class="item3"></li> <li class="item4"></li> <li class="item5"></li> <li class="item6"></li> <li class="item7"></li> </ul>
#header
<div id="header"></div>
.title
<div class="title"></div>
form#search.wide
<form id="search" class="wide"></form>
p.class1.class2.class3
<p class="class1 class2 class3"></p>
p[title="Hello world"]
<p title="Hello world"></p>
td[rowspan=2 colspan=3 title]
<td rowspan="2" colspan="3" title=""></td>
[a='value1' b="value2"]
<div a="value1" b="value2"></div>
{}
a{Click me}
<a href="">Click me</a>
p>{Click }+a{here}+{ to continue}
<p>Click <a href="">here</a> to continue</p>
.class
<div class="class"></div>
em>.class
<em><span class="class"></span></em>
ul>.class
<ul> <li class="class"></li> </ul>
table>.row>.col
<table> <tr class="row"> <td class="col"></td> </tr> </table>
全部未知的縮寫都會轉換成標籤,例如,foo → <foo></foo>
!
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> </body> </html>
a
<a href=""></a>
a:link
<a href="http://"></a>
a:mail
<a href="mailto:"></a>
abbr
<abbr title=""></abbr>
acronym
<acronym title=""></acronym>
base
<base href="" />
basefont
<basefont />
br
<br />
frame
<frame />
hr
<hr />
bdo
<bdo dir=""></bdo>
bdo:r
<bdo dir="rtl"></bdo>
bdo:l
<bdo dir="ltr"></bdo>
col
<col />
link
<link rel="stylesheet" href="" />
link:css
<link rel="stylesheet" href="style.css" />
link:print
<link rel="stylesheet" href="print.css" media="print" />
link:favicon
<link rel="shortcut icon" type="image/x-icon" href="favicon.ico" />
link:touch
<link rel="apple-touch-icon" href="favicon.png" />
link:rss
<link rel="alternate" type="application/rss+xml" title="RSS" href="rss.xml" />
link:atom
<link rel="alternate" type="application/atom+xml" title="Atom" href="atom.xml" />
meta
<meta />
meta:utf
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
meta:win
<meta http-equiv="Content-Type" content="text/html;charset=windows-1251" />
meta:vp
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
meta:compat
<meta http-equiv="X-UA-Compatible" content="IE=7" />
style
<style></style>
script
<script></script>
script:src
<script src=""></script>
img
<img src="" alt="" />
iframe
<iframe src="" frameborder="0"></iframe>
embed
<embed src="" type="" />
object
<object data="" type=""></object>
param
<param name="" value="" />
map
<map name=""></map>
area
<area shape="" coords="" href="" alt="" />
area:d
<area shape="default" href="" alt="" />
area:c
<area shape="circle" coords="" href="" alt="" />
area:r
<area shape="rect" coords="" href="" alt="" />
area:p
<area shape="poly" coords="" href="" alt="" />
form
<form action=""></form>
form:get
<form action="" method="get"></form>
form:post
<form action="" method="post"></form>
label
<label for=""></label>
input
<input type="text" />
input:text
input:t
inp
<input type="text" name="" id="" />
input:hidden
input:h
input[type=hidden name]
<input type="hidden" name="" />
input:search
inp[type=search]
<input type="search" name="" id="" />
input:email
inp[type=email]
<input type="email" name="" id="" />
input:url
inp[type=url]
<input type="url" name="" id="" />
input:password
input:p
inp[type=password]
<input type="password" name="" id="" />
input:datetime
inp[type=datetime]
<input type="datetime" name="" id="" />
input:date
inp[type=date]
<input type="date" name="" id="" />
input:datetime-local
inp[type=datetime-local]
<input type="datetime-local" name="" id="" />
input:month
inp[type=month]
<input type="month" name="" id="" />
input:week
inp[type=week]
<input type="week" name="" id="" />
input:time
inp[type=time]
<input type="time" name="" id="" />
input:number
inp[type=number]
<input type="number" name="" id="" />
input:color
inp[type=color]
<input type="color" name="" id="" />
input:checkbox
input:c
inp[type=checkbox]
<input type="checkbox" name="" id="" />
input:radio
input:r
inp[type=radio]
<input type="radio" name="" id="" />
input:range
inp[type=range]
<input type="range" name="" id="" />
input:file
input:f
inp[type=file]
<input type="file" name="" id="" />
input:submit
input:s
<input type="submit" value="" />
input:image
input:i
<input type="image" src="" alt="" />
input:button
input:b
<input type="button" value="" />
input:reset
input:button[type=reset]
<input type="reset" value="" />
select
<select name="" id=""></select>
option
<option value=""></option>
textarea
<textarea name="" id="" cols="30" rows="10"></textarea>
menu:context
menu:c
menu[type=context]
<menu type="context"></menu>
menu:toolbar
menu:t
menu[type=toolbar]
<menu type="toolbar"></menu>
video
<video src=""></video>
audio
<audio src=""></audio>
html:xml
<html xmlns="http://www.w3.org/1999/xhtml"></html>
keygen
<keygen />
command
<command />
bq
blockquote
<blockquote></blockquote>
acr
acronym
<acronym title=""></acronym>
fig
figure
<figure></figure>
figc
figcaption
<figcaption></figcaption>
ifr
iframe
<iframe src="" frameborder="0"></iframe>
emb
embed
<embed src="" type="" />
obj
object
<object data="" type=""></object>
src
source
<source></source>
cap
caption
<caption></caption>
colg
colgroup
<colgroup></colgroup>
fst
fset
fieldset
<fieldset></fieldset>
btn
button
<button></button>
btn:b
button[type=button]
<button type="button"></button>
btn:r
button[type=reset]
<button type="reset"></button>
btn:s
button[type=submit]
<button type="submit"></button>
關於更多的HTML以及CSS的縮寫請查看:http://docs.emmet.io/cheat-sheet/