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.
Find out how you can help!
| 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 |