概述
source
属性返回一个值为当前正则表达式对象的模式文本的字符串,该字符串不会包含正则字面量两边的斜杠以及任何的标志字符。
示例
var regex = /fooBar/ig; console.log(regex.source); // "fooBar",不包含 /.../ 和 "ig"。
规范
规范名称 | 规范状态 | 备注 |
---|---|---|
ECMAScript 3rd Edition. | Standard | source 是正则对象自身的数据属性 |
ECMAScript 5.1 (ECMA-262) RegExp.prototype.source |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) RegExp.prototype.source |
Standard | source 成为了正则对象原型上的一个访问器属性 |
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 | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |