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语法高亮，滚动条美化，设置页面调整

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10
docs/javascript/Reference/Global_Objects/Map/@@iterator.html
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@@ -4,12 +4,12 @@
<div><iframe class="interactive interactive-js" frameborder="0" height="250" src="https://interactive-examples.mdn.mozilla.net/pages/js/map-prototype-@@iterator.html" width="100%"></iframe></div>
<p class="hidden">The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone <a class="external" href="https://github.com/mdn/interactive-examples" rel="noopener">https://github.com/mdn/interactive-examples</a> and send us a pull request.</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><code><em>myMap</em>[Symbol.iterator]</code></pre>
<pre><code class="language-javascript"><code><em>myMap</em>[Symbol.iterator]</code></code></pre>
<h3 id="返回值">返回值</h3>
<p>map 的 <strong>iterator</strong> 函数默认就是 <a href="Reference/Global_Objects/Map/entries" title="entries() ?方法返回一个新的包含 [key, value] ?对的 Iterator ?对象，返回的迭代器的迭代顺序与 Map 对象的插入顺序相同。"><code>entries()</code></a> 函数。</p>
<h2 id="示例">示例</h2>
<h3 id="使用_iterator()">使用 <code>[@@iterator]()</code></h3>
<pre class="brush:js">var myMap = new Map();
<pre><code class="language-js">var myMap = new Map();
myMap.set('0', 'foo');
myMap.set(1, 'bar');
myMap.set({}, 'baz');
@@ -19,9 +19,9 @@ var mapIter = myMap[Symbol.iterator]();
console.log(mapIter.next().value); // ["0", "foo"]
console.log(mapIter.next().value); // [1, "bar"]
console.log(mapIter.next().value); // [Object, "baz"]
</pre>
</code></pre>
<h3 id="在for..of中使用iterator()">在<code>for..of中</code>使用<code>[@@iterator]()</code> </h3>
<pre class="brush:js">var myMap = new Map();
<pre><code class="language-js">var myMap = new Map();
myMap.set('0', 'foo');
myMap.set(1, 'bar');
myMap.set({}, 'baz');
@@ -39,7 +39,7 @@ for (var v of myMap) {
// 0: foo
// 1: bar
// [Object]: baz</pre>
// [Object]: baz</code></pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>