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Symbol.matchAll 返回一个迭代器，该迭代器根据字符串生成正则表达式的匹配项。此函数可以被 String.prototype.matchAll() 方法调用。
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描述
此Symbol用于 String.prototype.matchAll() 特别是 RegExp.prototype[@@matchAll]()。下面两个例子返回相同的结果:
'abc'.matchAll(/a/);
/a/[Symbol.matchAll]('abc');
此方法用于自定义 RegExp 子类中的匹配行为。
Symbol.matchAll 属性的属性特性： |
|
|---|---|
| writable | false |
| enumerable | false |
| configurable | false |
示例
更多示例请查阅 String.prototype.matchAll() 和 RegExp.prototype[@@matchAll]()。
规范
| 文档 | 状态 | 备注 |
|---|---|---|
| ECMAScript (ECMA-262) Symbol.matchAll |
Living Standard |
浏览器支持
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | Server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
matchAll | Chrome Full support 73 | Edge Full support 79 | Firefox Full support 67 | IE No support No | Opera Full support 60 | Safari Full support 13 | WebView Android Full support 73 | Chrome Android Full support 73 | Firefox Android Full support 67 | Opera Android Full support 52 | Safari iOS Full support 13 | Samsung Internet Android No support No | nodejs Full support 12.0.0 |
Legend
- Full support
- Full support
- No support
- No support