已废弃
该特性已经从 Web 标准中删除,虽然一些浏览器目前仍然支持它,但也许会在未来的某个时间停止支持,请尽量不要使用该特性。
概览
废弃的 escape()
方法生成新的由十六进制转义序列替换的字符串. 使用 encodeURIComponent
代替.
语法
escape(str)
参数
-
str
- 待编码的字符串.
描述
escape
函数是全局对象的属性. 特色字符如: @*_+-./ 被排除在外.
字符的16进制格式值,当该值小于等于0xFF时,用一个2位转移序列: %xx 表示. 大于的话则使用4位序列:%uxxxx 表示.
示例
escape("abc123"); // "abc123" escape("äöü"); // "%E4%F6%FC" escape("ć"); // "%u0107" // special characters escape("@*_+-./"); // "@*_+-./"
规范
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition. | Standard | Initial definition. |
ECMAScript 5.1 (ECMA-262) escape |
Standard | Defined in the (informative) Compatibility Annex B |
ECMAScript 2015 (6th Edition, ECMA-262) escape |
Standard | Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers |
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) |