From 7267c8c97a1e4d170a0a68e34bc0b3e029f465c7 Mon Sep 17 00:00:00 2001 From: MDN Date: Sat, 17 Jul 2021 00:35:32 +0000 Subject: [CRON] sync translated content --- .../reference/global_objects/map/delete/index.html | 81 ---------------------- 1 file changed, 81 deletions(-) delete mode 100644 files/zh-cn/web/javascript/reference/global_objects/map/delete/index.html (limited to 'files/zh-cn/web/javascript/reference/global_objects/map/delete/index.html') diff --git a/files/zh-cn/web/javascript/reference/global_objects/map/delete/index.html b/files/zh-cn/web/javascript/reference/global_objects/map/delete/index.html deleted file mode 100644 index 2d7bd693ff..0000000000 --- a/files/zh-cn/web/javascript/reference/global_objects/map/delete/index.html +++ /dev/null @@ -1,81 +0,0 @@ ---- -title: Map.prototype.delete() -slug: Web/JavaScript/Reference/Global_Objects/Map/delete -translation_of: Web/JavaScript/Reference/Global_Objects/Map/delete -tags: - - ECMAScript 2015 - - JavaScript - - Map - - Method - - Prototype - - Reference -browser-compat: javascript.builtins.Map.delete ---- -
{{JSRef}}
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 delete() 方法用于移除 Map 对象中指定的元素。

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{{EmbedInteractiveExample("pages/js/map-prototype-delete.html")}}
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语法

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myMap.delete(key);
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参数

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key
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必须。从 Map 对象中移除的元素的键。
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返回值

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Boolean
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如果 Map 对象中存在该元素,则移除它并返回 true;否则如果该元素不存在则返回 false
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示例

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使用 delete 方法

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var myMap = new Map();
-myMap.set("bar", "foo");
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-myMap.delete("bar"); // 返回 true。成功地移除元素
-myMap.has("bar");    // 返回 false。"bar" 元素将不再存在于 Map 实例中
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规范

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SpecificationStatusComment
{{SpecName('ES6', '#sec-map.prototype.delete', 'Map.prototype.delete')}}{{Spec2('ES6')}}Initial definition.
{{SpecName('ESDraft', '#sec-map.prototype.delete', 'Map.prototype.delete')}}{{Spec2('ESDraft')}} 
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浏览器兼容性

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{{Compat("javascript.builtins.Map.delete")}}

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相关链接

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