Map.prototype[@@toStringTag]
Map[@@toStringTag] 的初始值是"Map".
Map.prototype[@@toStringTag] 属性的属性特性： |
|
|---|---|
| writable | false |
| enumerable | false |
| configurable | true |
语法
Map[Symbol.toStringTag]
示例
Object.prototype.toString.call(new Map()) // "[object Map]"
规范
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 2015 (6th Edition, ECMA-262) Map.prototype[@@toStringTag] |
Standard | Initial definition. |
| ECMAScript (ECMA-262) Map.prototype[@@toStringTag] |
Living Standard |
浏览器兼容性
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