以下是示例weakMap.delete()方法。 <script> function gfg() { const weakmap = new WeakMap(); const key = ...
JavaScript weakMap.get()方法用法示例
以下是示例weakMap.get()()方法。 <script> function gfg() { const weakmap1 = new WeakMap(); const key1 =...
JavaScript weakMap.has()方法用法示例
以下是示例weakMap.has()方法。 <script> function gfg() { const weakmap = new WeakMap(); const key = {};...
JavaScript weakMap.set()方法用法示例
以下是示例weakMap.set()方法。 <script> function gfg() { const weakmap1 = new WeakMap(); const key1 = {...