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Warning: Although unescape() is not strictly deprecated (as in "removed from the Web standards"), it is defined in Annex B of the ECMA-262 standard, whose introduction states:
… All of the language features and behaviours specified in this annex have one or more undesirable characteristics and in the absence of legacy usage would be removed from this specification. …
… Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code. …

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.
Draft Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes1 Yes Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes4 Yes Yes Yes

See also

Štítky a přispěvatelé do dokumentace

Štítky: 
Poslední aktualizace od: ExE-Boss,