values()
方法返回一个新的Iterator对象。它包含按顺序插入Map对象中每个元素的value值。
语法
myMap.values()
返回值
一个新的 Map
可迭代对象.
例子
使用 values()
var myMap = new Map(); myMap.set("0", "foo"); myMap.set(1, "bar"); myMap.set({}, "baz"); var mapIter = myMap.values(); console.log(mapIter.next().value); // "foo" console.log(mapIter.next().value); // "bar" console.log(mapIter.next().value); // "baz"
规范
规范 | 状态 | 备注 |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) Map.prototype.values |
Standard | 初始定义 |
ECMAScript Latest Draft (ECMA-262) Map.prototype.values |
Draft |
浏览器兼容性
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.
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Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 38 | 20 (20) | 未实现 | 25 | 7.1 |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | 未实现 | 38 | 20.0 (20) | 未实现 | 未实现 | 8 |