Emmet (前身为 Zen Coding) 是一个能大幅度提高前端开发效率的一个工具。
基本上,大多数的文本编辑器都会允许你存储和重用一些代码块,我们称之为“片段”。虽然片段能很好地推动你得生产力,但大多数的实现都有这样一个缺点:你必须先定义你得代码片段,并且不能再运行时进行拓展。
Emmet把片段这个概念提高到了一个新的层次:你可以设置CSS形式的能够动态被解析的表达式,然后根据你所输入的缩写来得到相应的内容。Emmet是很成熟的并且非常适用于编写HTML/XML 和 CSS 代码的前端开发人员,但也可以用于编程语言。
在编辑器中输入缩写代码ul>li*5,然后按下拓展键(默认为tab),即可得到代码片段:
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>以下都是Emmet为编辑器提供的安装插件。
Sublime Text
Eclipse/Aptana
TextMate
Coda
Espresso
Chocolat
Komodo Edit
Notepad++
PSPad
textarea
CodeMirror
Brackets
NetBeans
Adobe Dreamweaver
JSFiddle
JS Bin
CodePen
ICEcoder
Divshot
Codio
下面这些编辑器的插件都是由第三方开发者所提供的,所以可能并不支持所有Emmet的功能和特性。
SynWrite
WebStorm
PhpStorm
Vim
HTML-Kit
HippoEDIT
CodeLobster PHP Edition
TinyMCE
>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>所有未知的缩写都会转换成标签,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>关于更多的HTML以及CSS的缩写请查看:https://docs.emmet.io/cheat-sheet/