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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/Array/splice.html
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@@ -4,8 +4,8 @@
<div><iframe class="interactive interactive-js" frameborder="0" height="250" src="https://interactive-examples.mdn.mozilla.net/pages/js/array-splice.html" width="100%"></iframe></div>
<p class="hidden">交互范例的源码储存于 GitHub 仓库。想要参与此项目，可 clone <a class="external" href="https://github.com/mdn/interactive-examples" rel="noopener">https://github.com/mdn/interactive-examples</a> 并发送 pull request 给我们。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><var>array</var>.splice(<var>start[</var>, <var>deleteCount[</var>, <var>item1[</var>, <var>item2[</var>, <em>...]]]]</em>)
</pre>
<pre><code class="language-javascript"><var>array</var>.splice(<var>start[</var>, <var>deleteCount[</var>, <var>item1[</var>, <var>item2[</var>, <em>...]]]]</em>)
</code></pre>
<h3 id="参数">参数</h3>
<dl>
<dt><code>start​</code></dt>
@@ -24,60 +24,60 @@
<p>如果添加进数组的元素个数不等于被删除的元素个数，数组的长度会发生相应的改变。</p>
<h2 id="示例">示例</h2>
<h3 id="从第_2_位开始删除_0_个元素，插入“drum”">从第 2 位开始删除 0 个元素，插入“drum”</h3>
<pre class="brush: js">var myFish = ["angel", "clown", "mandarin", "surgeon"];
<pre><code class="language-javascript">var myFish = ["angel", "clown", "mandarin", "surgeon"];
var removed = myFish.splice(2, 0, "drum");
// 运算后的 myFish: ["angel", "clown", "drum", "mandarin", "surgeon"]
// 被删除的元素: [], 没有元素被删除
</pre>
</code></pre>
<h3 id="从第_2_位开始删除_0_个元素，插入“drum”_和_guitar">从第 2 位开始删除 0 个元素，插入“drum” 和 "guitar"</h3>
<pre class="brush: js">var myFish = ['angel', 'clown', 'mandarin', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['angel', 'clown', 'mandarin', 'sturgeon'];
var removed = myFish.splice(2, 0, 'drum', 'guitar');
// 运算后的 myFish: ["angel", "clown", "drum", "guitar", "mandarin", "sturgeon"]
// 被删除的元素: [], 没有元素被删除
</pre>
</code></pre>
<h3 id="从第_3_位开始删除_1_个元素">从第 3 位开始删除 1 个元素</h3>
<pre class="brush: js">var myFish = ['angel', 'clown', 'drum', 'mandarin', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['angel', 'clown', 'drum', 'mandarin', 'sturgeon'];
var removed = myFish.splice(3, 1);
// 运算后的 myFish: ["angel", "clown", "drum", "sturgeon"]
// 被删除的元素: ["mandarin"]
</pre>
</code></pre>
<h3 id="从第_2_位开始删除_1_个元素，插入“trumpet”">从第 2 位开始删除 1 个元素，插入“trumpet”</h3>
<pre class="brush: js">var myFish = ['angel', 'clown', 'drum', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['angel', 'clown', 'drum', 'sturgeon'];
var removed = myFish.splice(2, 1, "trumpet");
// 运算后的 myFish: ["angel", "clown", "trumpet", "surgeon"]
// 被删除的元素: ["drum"]
</pre>
</code></pre>
<h3 id="从第_0_位开始删除_2_个元素，插入parrot、anemone和blue">从第 0 位开始删除 2 个元素，插入"parrot"、"anemone"和"blue"</h3>
<pre class="brush: js">var myFish = ['angel', 'clown', 'trumpet', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['angel', 'clown', 'trumpet', 'sturgeon'];
var removed = myFish.splice(0, 2, 'parrot', 'anemone', 'blue');
// 运算后的 myFish: ["parrot", "anemone", "blue", "trumpet", "sturgeon"]
// 被删除的元素: ["angel", "clown"]
</pre>
</code></pre>
<h3 id="从第_2_位开始删除_2_个元素">从第 2 位开始删除 2 个元素</h3>
<pre class="brush: js">var myFish = ['parrot', 'anemone', 'blue', 'trumpet', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['parrot', 'anemone', 'blue', 'trumpet', 'sturgeon'];
var removed = myFish.splice(myFish.length - 3, 2);
// 运算后的 myFish: ["parrot", "anemone", "sturgeon"]
// 被删除的元素: ["blue", "trumpet"]
</pre>
</code></pre>
<h3 id="从倒数第_2_位开始删除_1_个元素">从倒数第 2 位开始删除 1 个元素</h3>
<pre class="brush: js">var myFish = ['angel', 'clown', 'mandarin', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['angel', 'clown', 'mandarin', 'sturgeon'];
var removed = myFish.splice(-2, 1);
// 运算后的 myFish: ["angel", "clown", "sturgeon"]
// 被删除的元素: ["mandarin"]</pre>
// 被删除的元素: ["mandarin"]</code></pre>
<h3 id="从第_2_位开始删除所有元素">从第 2 位开始删除所有元素</h3>
<pre class="brush: js">var myFish = ['angel', 'clown', 'mandarin', 'sturgeon'];
<pre><code class="language-javascript">var myFish = ['angel', 'clown', 'mandarin', 'sturgeon'];
var removed = myFish.splice(2);
// 运算后的 myFish: ["angel", "clown"]
// 被删除的元素: ["mandarin", "sturgeon"]
</pre>
</code></pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>