语法高亮，滚动条美化，设置页面调整

docs/javascript/Reference/Global_Objects/Proxy/handler/ownKeys.html

@@ -2,11 +2,11 @@
 <div></div>
 <p><strong><code>handler.ownKeys()</code></strong> 方法用于拦截 <a href="Reference/Global_Objects/Reflect/ownKeys" title="静态方法 Reflect.ownKeys() 返回一个由目标对象自身的属性键组成的数组。"><code>Reflect.ownKeys()</code></a>.</p>
 <h2 id="语法">语法</h2>
-<pre class="brush: js">var p = new Proxy(target, {
+<pre><code  class="language-javascript">var p = new Proxy(target, {
   ownKeys: function(target) {
   }
 });
-</pre>
+</code></pre>
 <h3 id="参数">参数</h3>
 <p>下面的参数被传递给<code>ownKeys。this</code>被绑定在<code>handler上。</code></p>
 <dl>
@@ -35,7 +35,7 @@
 </ul>
 <h2 id="示例">示例</h2>
 <p>下面的代码拦截 <a href="Reference/Global_Objects/Object/getOwnPropertyNames" title="Object.getOwnPropertyNames()方法返回一个由指定对象的所有自身属性的属性名（包括不可枚举属性但不包括Symbol值作为名称的属性）组成的数组。"><code>Object.getOwnPropertyNames()</code></a>.</p>
-<pre class="brush: js">var p = new Proxy({}, {
+<pre><code  class="language-javascript">var p = new Proxy({}, {
   ownKeys: function(target) {
     console.log('called');
     return ['a', 'b', 'c'];
@@ -43,9 +43,9 @@
 });
 
 console.log(Object.getOwnPropertyNames(p)); // "called"
-                                            // [ 'a', 'b', 'c' ]</pre>
+                                            // [ 'a', 'b', 'c' ]</code></pre>
 <p>下面的代码违反了约定</p>
-<pre class="brush: js example-bad">var obj = {};
+<pre><code class="language-js example-bad">var obj = {};
 Object.defineProperty(obj, 'a', { 
   configurable: false, 
   enumerable: true, 
@@ -62,7 +62,7 @@ console.log(Object.getOwnPropertyNames(p));
 
 // TypeError: proxy [[OwnPropertyKeys]] 必须返回一个数组 
 // 数组元素类型只能是String或Symbol
-</pre>
+</code></pre>
 <h2 id="标准">标准</h2>
 <table class="standard-table">
 <tbody>