Set.prototype.keys()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Set 实例的 keys() 方法是 values() 方法的别名。
¥The keys() method of Set instances is an alias for the values() method.
语法
参数
返回值
示例
使用键()
¥Using keys()
keys() 方法与 values() 方法完全相同。
¥The keys() method is exactly equivalent to the values() method.
js
const mySet = new Set();
mySet.add("foo");
mySet.add("bar");
mySet.add("baz");
const setIter = mySet.keys();
console.log(setIter.next().value); // "foo"
console.log(setIter.next().value); // "bar"
console.log(setIter.next().value); // "baz"
规范
| Specification |
|---|
| ECMAScript Language Specification # sec-set.prototype.keys |
浏览器兼容性
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