ECMAScript 6 Features 中文版

桃扇骨 2022-08-07 04:40 9阅读 0赞

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     <span style="font-size:14px; word-wrap:break-word"><span style="word-wrap:break-word">Introduction 简介</span></span> 
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     <span style="font-size:14px; word-wrap:break-word">&nbsp; &nbsp; &nbsp;ECMAScript 6 is the upcoming version of the ECMAScript standard. This standard is targeting ratification in June 2015. ES6 is a significant update to the language, and the first update to the language since ES5 was standardized in 2009. Implementation of these features in major JavaScript engines is&nbsp;<a href="http://kangax.github.io/es5-compat-table/es6/" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="color:#0000f0; word-wrap:break-word">underway now</span></a>.</span> 
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     <span style="font-size:14px; word-wrap:break-word">&nbsp; &nbsp; &nbsp; &nbsp;ECMAScript 6 是 ECMAScript 的下一代标准，预计将在 2015年6月 正式发布。ES6 的发布将是是这门语言自 2009 年 ES5 正式发布以来的首次更新，是一次富有意义的更新。Javascript核心引擎的<a href="http://kangax.github.io/es5-compat-table/es6/" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="color:#0000f0; word-wrap:break-word">新特性</span></a>仍然在快速开发中。</span> 
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     <span style="font-size:14px; word-wrap:break-word">&nbsp; &nbsp; &nbsp; See the&nbsp;<a href="https://people.mozilla.org/~jorendorff/es6-draft.html" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="color:#0000f0; word-wrap:break-word">draft ES6 standard</span></a>&nbsp;for full specification of the ECMAScript 6 language.</span> 
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     <span style="font-size:14px; word-wrap:break-word">&nbsp; &nbsp; &nbsp; 这里有<a href="https://people.mozilla.org/~jorendorff/es6-draft.html" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="color:#0000f0; word-wrap:break-word">ES6标准草案</span></a>的所有细节可以参考</span> 
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     <span style="font-size:14px; word-wrap:break-word">&nbsp; &nbsp; &nbsp; ES6 includes the following new features:</span> 
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     <span style="word-wrap:break-word"><span style="font-size:14px; word-wrap:break-word">&nbsp; &nbsp; &nbsp; ES6 的具体特性如下：</span></span> 
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      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#arrows-%E7%AE%AD%E5%A4%B4%E5%87%BD%E6%95%B0" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">Arrows 箭头函数</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#classes-%E7%B1%BB" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">classes 类</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#enhanced-object-literals-%E5%A2%9E%E5%BC%BA%E7%9A%84object%E5%AD%97%E9%9D%A2%E9%87%8F" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">enhanced object literals 增强的对象字面量</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#template-strings-%E6%A8%A1%E6%9D%BF%E5%AD%97%E7%AC%A6%E4%B8%B2" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">template strings 模板字符串</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#destructuring-%E8%A7%A3%E6%9E%84" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">destructuring 解构</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#default--rest--spread--%E9%BB%98%E8%AE%A4%E5%80%BC%E5%A4%9A%E4%BD%99%E5%8F%82%E6%95%B0%E7%BB%84%E5%90%88%E5%8F%82%E6%95%B0%E4%BC%B8%E5%B1%95" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">default + rest + spread 默认值+多余参数组合+参数伸展</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#let--const-%E6%93%8D%E4%BD%9C%E7%AC%A6" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">let + const let + const 操作符</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#iterators--forof-%E8%BF%AD%E4%BB%A3%E5%99%A8--forof-%E5%BE%AA%E7%8E%AF" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">iterators + for..of 迭代器 + for...of</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#generators-%E7%94%9F%E6%88%90%E5%99%A8" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">generators 生成器</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#unicode-%E7%BB%9F%E4%B8%80%E7%A0%81" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">unicode 统一码</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#modules-%E6%A8%A1%E5%9D%97" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">modules 模块</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#module-loaders-%E6%A8%A1%E5%9D%97%E5%8A%A0%E8%BD%BD%E5%99%A8" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">module loaders 模块加载器</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#map--set--weakmap--weakset-%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">map + set + weakmap + weakset 数据结构</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#proxies-%E4%BB%A3%E7%90%86" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">proxies 代理</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#symbols-%E7%AC%A6%E5%8F%B7" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">symbols 符号</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#subclassable-built-ins-%E5%8F%AF%E5%AD%90%E7%B1%BB%E5%8C%96%E7%9A%84%E5%86%85%E5%BB%BA%E5%AF%B9%E8%B1%A1" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">subclassable built-ins 可子类化内建对象</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#promises-%E5%AF%B9%E8%B1%A1" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">promises 对象</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#math--number--string--object-apis-%E6%89%A9%E5%B1%95" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">math + number + string + object APIs</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#binary-and-octal-literals-%E4%BA%8C%E8%BF%9B%E5%88%B6%E5%92%8C%E5%85%AB%E8%BF%9B%E5%88%B6%E5%AD%97%E9%9D%A2%E9%87%8F" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">binary and octal literals 二进制和八进制字面量</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#reflect-api-%E5%8F%8D%E5%B0%84api" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">reflect api 反射API</span></a></span></li> 
      <li style="word-wrap:break-word; margin:0px; padding:0px; list-style:disc"><span style="word-wrap:break-word; line-height:1.8em"><a href="https://github.com/lenville/es6features/blob/master/README.md?utm_source=tuicool#tail-calls-%E5%B0%BE%E8%B0%83%E7%94%A8" style="word-wrap:break-word; color:rgb(51,51,51); text-decoration:none" rel="nofollow"><span style="font-size:14px; color:#0000f0; word-wrap:break-word">tail calls 尾调用</span></a></span></li> 
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