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----
-title: Array.unobserve()
-slug: Web/JavaScript/Reference/Global_Objects/Array/unobserve
-translation_of: Archive/Web/JavaScript/Array.unobserve
----
-<div>{{JSRef}} {{non-standard_header}}</div>
-
-<p>Array<strong>.unobserve()方法用来移除</strong>{{jsxref("Array.observe()")}}设置的所有观察者。</p>
-
-<h2 id="语法">语法</h2>
-
-<pre class="syntaxbox"><code>Array.unobserve(<var>arr</var>, <var>callback</var>)</code></pre>
-
-<h3 id="参数">参数</h3>
-
-<dl>
- <dt><code>arr</code></dt>
- <dd>停止观察的数组。</dd>
- <dt> </dt>
- <dt><code>callback回调</code></dt>
- <dd>需要停止的array <strong>arr</strong>每次改变都会调用的函数引用。</dd>
-</dl>
-
-<h2 id="描述">描述</h2>
-
-<p><code>Array.unobserve()</code> 方法因为要移除观察者，所以应该在{{jsxref("Array.observe()")}}调用后调用。</p>
-
-<p>回调函数应该是一个函数的引用并且不能是匿名函数， 因为这个函数需要用来移除前面的观察者， 如果用匿名函数是没有用的，将不能移除任何观察者。</p>
-
-<h2 id="例子">例子</h2>
-
-<h3 id="停止观察一个数组">停止观察一个数组</h3>
-
-<pre class="brush: js">var arr = [1, 2, 3];
-
-var observer = function(changes) {
-  console.log(changes);
-}
-
-Array.observe(arr, observer);
-
-arr.push(4);
-// [{type: "splice", object: &lt;arr&gt;, index: 3, removed:[], addedCount: 1}]
-
-Array.unobserve(arr, observer);
-
-arr.pop();
-// The callback wasn't called</pre>
-
-<h3 id="使用匿名函数">使用匿名函数</h3>
-
-<pre class="brush: js">var persons = ['Khalid', 'Ahmed', 'Mohammed'];
-
-Array.observe(persons, function (changes) {
-  console.log(changes);
-});
-
-persons.shift();
-// [{type: "splice", object: &lt;arr&gt;, index: 0, removed: [ "Khalid" ], addedCount: 0 }]
-
-Array.unobserve(persons, function (changes) {
-  console.log(changes);
-});
-
-persons.push('Abdullah');
-// [{type: "splice", object: &lt;arr&gt;, index: 2, removed: [], addedCount: 1 }]
-// The callback will always be called
-</pre>
-
-<h2 id="浏览器兼容性">浏览器兼容性</h2>
-
-<div>
-<div>
-
-
-<p>{{Compat("javascript.builtins.Array.unobserve")}}</p>
-</div>
-</div>
-
-<h2 id="相关内容">相关内容</h2>
-
-<ul>
- <li>{{jsxref("Array.observe()")}} {{non-standard_inline}}</li>
- <li>{{jsxref("Object.observe()")}} {{non-standard_inline}}</li>
- <li>{{jsxref("Object.unobserve()")}} {{non-standard_inline}}</li>
-</ul>