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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/Statements/do...while.html
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</div>
<p><strong><code>do...while</code> 语句</strong><span lang="zh-CN"><span>创建一个执行指定语句的循环，直到</span></span><code>condition</code><span lang="zh-CN"><span>值为 false。</span><span>在执行</span></span><code>statement</code> <span lang="zh-CN"><span>后检测</span></span><code>condition</code><span lang="zh-CN"><span>，所以指定的</span></span><code>statement</code><span lang="zh-CN"><span>至少执行一次。</span></span></p>
<h2 id="Syntax" name="Syntax">语法</h2>
<pre class="syntaxbox">do
<pre><code class="language-javascript">do
<em>statement</em>
while (<em>condition</em>);
</pre>
</code></pre>
<dl>
<dt><code>statement</code></dt>
<dd><span class="short_text" id="result_box" lang="zh-CN"><span>执行至少一次的语句，并在每次 </span></span><code>condition</code> <span class="short_text" lang="zh-CN"><span>值为真时重新执行。</span></span>想执行多行语句，可使用<span style="line-height: 19.0909080505371px;"><a href="Reference/Statements/block" title="块语句（或其他语言的复合语句）用于组合零个或多个语句。该块由一对大括号界定，可以是labelled："><code>block</code></a></span>语句<span style="line-height: 19.0909080505371px;">（</span><code style="font-style: normal; line-height: 19.0909080505371px;">{ ... }</code><span style="line-height: 19.0909080505371px;">）</span>包裹这些语句。</dd>
@@ -20,15 +20,15 @@ while (<em>condition</em>);
<h3 id="Example:_Using_do...while" name="Example:_Using_do...while">使用 <code>do...while</code></h3>
<p>下面的例子中，<code>do...while</code> 循环至少迭代一次，并且继续迭代直到 <code>i</code>不再小于 5 时结束。</p>
<h3 id="HTML_内容">HTML 内容</h3>
<pre class="brush: html line-numbers language-html"><code class="language-html"><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>div</span> <span class="attr-name token">id</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>example<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>div</span><span class="punctuation token">&gt;</span></span></code></pre>
<pre><code class="language-html line-numbers language-html"><code class="language-html"><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>div</span> <span class="attr-name token">id</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>example<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>div</span><span class="punctuation token">&gt;</span></span></code></code></pre>
<h3 id="JavaScript_内容">JavaScript 内容</h3>
<pre class="brush: js"><code class="language-js"><span class="keyword token">var</span> result <span class="operator token">=</span> <span class="string token">''</span><span class="punctuation token">;</span>
<pre><code class="language-javascript"><code class="language-js"><span class="keyword token">var</span> result <span class="operator token">=</span> <span class="string token">''</span><span class="punctuation token">;</span>
<span class="keyword token">var</span> i <span class="operator token">=</span> <span class="number token">0</span><span class="punctuation token">;</span>
<span class="keyword token">do</span> <span class="punctuation token">{</span>
i <span class="operator token">+</span><span class="operator token">=</span> <span class="number token">1</span><span class="punctuation token">;</span>
result <span class="operator token">+</span><span class="operator token">=</span> i <span class="operator token">+</span> <span class="string token">' '</span><span class="punctuation token">;</span>
<span class="punctuation token">}</span> <span class="keyword token">while</span> <span class="punctuation token">(</span>i <span class="operator token">&lt;</span> <span class="number token">5</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
document<span class="punctuation token">.</span><span class="function token">getElementById</span><span class="punctuation token">(</span><span class="string token">'example'</span><span class="punctuation token">)</span><span class="punctuation token">.</span>innerHTML <span class="operator token">=</span> result<span class="punctuation token">;</span></code></pre>
document<span class="punctuation token">.</span><span class="function token">getElementById</span><span class="punctuation token">(</span><span class="string token">'example'</span><span class="punctuation token">)</span><span class="punctuation token">.</span>innerHTML <span class="operator token">=</span> result<span class="punctuation token">;</span></code></code></pre>
<h3 id="结果">结果</h3>
<p><iframe class="live-sample-frame sample-code-frame" frameborder="0" id="frame_Examples" src="https://mdn.mozillademos.orgReference/Statements/do...while$samples/Examples?revision=1504957"></iframe></p>
<h2 id="规范">规范</h2>