escape() and unescape()
Discouraged
This feature is discouraged. For the rationale, see:
The escape() and unescape() built-in Javascript methods encode and unencode strings using percent encoding, where certain characters are replaced by hexadecimal escape sequences.
Learning resources on MDN
Browser support
- Chrome 1 Released on 2008-12-11
- Chrome Android 18 Released on 2012-06-27
- Edge 12 Released on 2015-07-29
- Firefox 1 Released on 2004-11-09
- Firefox for Android 4 Released on 2011-03-29
- Safari 1 Released on 2003-06-23
- Safari on iOS 1 Released on 2007-06-29
Specifications
- ECMAScript® 2025 Language Specification (#sec-escape-string), from TC39 (Ecma International).
View web-platform-tests results for this feature - View the feature source file (dist) - Edit the feature - Report an issue about this feature