Set.prototype.delete()

delete() 方法可以从一个 Set 对象中删除指定的元素。

语法

mySet.delete(value);

示例

var mySet = new Set();
mySet.add("foo");

mySet.delete("bar"); // 返回 false，不包含 "bar" 这个元素
mySet.delete("foo"); // 返回 true，删除成功

mySet.has("foo");    // 返回 false，"foo" 已经成功删除

规范

Specification	Status	Comment
ECMAScript 2015 (6th Edition, ECMA-262) Set.prototype.delete	Standard	Initial definition.
ECMAScript (ECMA-262) Set.prototype.delete	Living Standard

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help! (en-US)

Desktop
Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	38	13.0 (13.0)	11	25	7.1

Feature	Android	Chrome for Android	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	未实现	38	13.0 (13.0)	未实现	未实现	8

Set.prototype.delete()

语法

参数

返回值

示例

规范

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相关链接