The unescape()
function computes a new string in which hexadecimal escape sequences are replaced with the character that it represents. The escape sequences might be introduced by a function like escape
. Usually, decodeURI
or decodeURIComponent
are preferred over unescape
.
Note: Do not use
unescape
to decode URIs, use decodeURI
instead.Syntax
unescape(str)
Parameters
str
- A string to be decoded.
Return value
A new string in which certain characters have been unescaped.
Description
The unescape
function is a property of the global object.
Examples
unescape('abc123'); // "abc123" unescape('%E4%F6%FC'); // "äöü" unescape('%u0107'); // "ć"
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition (ECMA-262) The definition of 'unescape' in that specification. |
Standard | Initial definition. |
ECMAScript 5.1 (ECMA-262) The definition of 'unescape' in that specification. |
Standard | Defined in the (informative) Compatibility Annex B |
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'unescape' 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 'unescape' in that specification. |
Living Standard | Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers |
Browser compatibility
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.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | Yes | Yes | Yes | Yes | Yes | Yes |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
See also
Document Tags and Contributors
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fscholz,
binoculars,
stevenwdv,
jameshkramer,
nmve,
eduardoboucas,
x2357,
Ms2ger,
Sebastianz
Last updated by:
fscholz,