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diff --git a/files/zh-cn/conflicting/web/javascript/reference/global_objects/weakmap/index.html b/files/zh-cn/conflicting/web/javascript/reference/global_objects/weakmap/index.html new file mode 100644 index 0000000000..27f1ff412a --- /dev/null +++ b/files/zh-cn/conflicting/web/javascript/reference/global_objects/weakmap/index.html @@ -0,0 +1,138 @@ +--- +title: WeakMap.prototype +slug: Web/JavaScript/Reference/Global_Objects/WeakMap/prototype +translation_of: Web/JavaScript/Reference/Global_Objects/WeakMap +translation_of_original: Web/JavaScript/Reference/Global_Objects/WeakMap/prototype +--- +<div>{{JSRef}}</div> + +<p><code><strong>WeakMap</strong></code><strong><code>.prototype</code></strong>属性表现为 {{jsxref("WeakMap")}}的构造器。</p> + +<div>{{js_property_attributes(0,0,0)}}</div> + +<h2 id="描述">描述</h2> + +<p>{{jsxref("WeakMap")}} 实例从 {{jsxref("WeakMap.prototype")}}继承了所有属性。你可以在<code>WeakMap构造器中添加属性和方法,从而使得所有</code>实例中都有效。</p> + +<p><code>WeakMap.prototype</code> 本身只是一个普通的对象:</p> + +<pre class="brush: js">Object.prototype.toString.call(WeakMap.prototype); // "[object Object]"</pre> + +<h2 id="属性">属性</h2> + +<dl> + <dt><code>WeakMap.prototype.constructor</code></dt> + <dd>返回创建WeakMap实例的原型函数。 {{jsxref("WeakMap")}}函数是默认的。</dd> +</dl> + +<h2 id="方法">方法</h2> + +<dl> + <dt>{{jsxref("WeakMap.delete", "WeakMap.prototype.delete(key)")}}</dt> + <dd>移除key的关联对象。执行后 <code>WeakMap.prototype.has(key)返回</code><code>false。</code></dd> + <dt>{{jsxref("WeakMap.get", "WeakMap.prototype.get(key)")}}</dt> + <dd>返回<code>key关联对象</code>, 或者 <code>undefined</code>(没有key关联对象时)。</dd> + <dt>{{jsxref("WeakMap.has", "WeakMap.prototype.has(key)")}}</dt> + <dd>根据是否有key关联对象返回一个Boolean值。</dd> + <dt>{{jsxref("WeakMap.set", "WeakMap.prototype.set(key, value)")}}</dt> + <dd>在WeakMap中设置一组key关联对象,返回这个 <code>WeakMap</code>对象。</dd> + <dt><s class="obsoleteElement">{{jsxref("WeakMap.prototype.clear()")}} {{obsolete_inline}}</s></dt> + <dd><s class="obsoleteElement">从<code>WeakMap中移除所有的</code> key/value 。 注意,该方法已弃用,但可以通过创建一个空的WeakMap并替换原对象来实现 (参看 {{jsxref("WeakMap")}}的后半部分)</s></dd> +</dl> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('ES6', '#sec-weakmap.prototype', 'WeakMap.prototype')}}</td> + <td>{{Spec2('ES6')}}</td> + <td>Initial definition.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-weakmap.prototype', 'WeakMap.prototype')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容">浏览器兼容</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>36</td> + <td>{{CompatGeckoDesktop("6.0")}}</td> + <td>11</td> + <td>23</td> + <td>7.1</td> + </tr> + <tr> + <td>Ordinary object</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatGeckoDesktop("40")}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Chrome for Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatGeckoMobile("6.0")}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>8</td> + </tr> + <tr> + <td>Ordinary object</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatGeckoMobile("40")}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="另请参阅">另请参阅</h2> + +<ul> + <li>{{jsxref("Map.prototype")}}</li> +</ul> |