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语法高亮，滚动条美化，设置页面调整

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docs/javascript/Reference/Global_Objects/Set/has.html
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@@ -3,7 +3,7 @@
<h2 id="Summary" name="Summary">概述</h2>
<p><strong>has() </strong>方法返回一个布尔值来指示对应的值value是否存在Set对象中。</p>
<h2 id="Syntax" name="Syntax">语法</h2>
<pre class="syntaxbox"><code><em>mySet</em>.has(value);</code></pre>
<pre><code class="language-javascript"><code><em>mySet</em>.has(value);</code></code></pre>
<h3 id="参数">参数</h3>
<dl>
<dt>value</dt>
@@ -16,7 +16,7 @@
</dl>
<h2 id="Examples" name="Examples">示例</h2>
<h3 id="Example:_Testing_size_of_all_array_elements" name="Example:_Testing_size_of_all_array_elements">使用 <code>has</code> 方法</h3>
<pre class="brush: js line-numbers language-js"><code class="language-js"><span class="keyword token">var</span> mySet <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Set</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
<pre><code class="language-javascript"><code class="language-js"><span class="keyword token">var</span> mySet <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Set</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
mySet<span class="punctuation token">.</span><span class="function token">add</span><span class="punctuation token">(</span><span class="string token">'foo'</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
mySet<span class="punctuation token">.</span><span class="function token">has</span><span class="punctuation token">(</span><span class="string token">'foo'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// 返回 true</span>
@@ -28,7 +28,7 @@ set1<span class="punctuation token">.</span><span class="function token">add</sp
set1<span class="punctuation token">.</span><span class="function token">has</span><span class="punctuation token">(</span>obj1<span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// 返回 true</span>
set1<span class="punctuation token">.</span><span class="function token">has</span><span class="punctuation token">(</span><span class="punctuation token">{</span><span class="string token">'key1'</span><span class="punctuation token">:</span> <span class="number token">1</span><span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// 会返回 false，因为其是另一个对象的引用</span>
set1<span class="punctuation token">.</span><span class="function token">add</span><span class="punctuation token">(</span><span class="punctuation token">{</span><span class="string token">'key1'</span><span class="punctuation token">:</span> <span class="number token">1</span><span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// 现在 set1 中有2条（不同引用的）对象了</span></code></pre>
set1<span class="punctuation token">.</span><span class="function token">add</span><span class="punctuation token">(</span><span class="punctuation token">{</span><span class="string token">'key1'</span><span class="punctuation token">:</span> <span class="number token">1</span><span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// 现在 set1 中有2条（不同引用的）对象了</span></code></code></pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>