escape

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encodeURI或encodeURIComponent代替.

语法

escape(str)

参数

str待编码的字符串.

返回值

一个新字符串，其中某些字符已经被转义。

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 (ECMA-262)	Standard	Initial definition.
ECMAScript 5.1 (ECMA-262)The definition of 'escape' in that specification.	Standard	Defined in the (informative) Compatibility Annex B
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'escape' in that specification.	Standard	Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers
ECMAScript Latest Draft (ECMA-262)The definition of 'escape' in that specification.	Living Standard	Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers

浏览器兼容性

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)

Feature	Android	Chrome for Android	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)