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The decodeURI() function decodes a Uniform Resource Identifier (URI) previously created by encodeURI or by a similar routine.

Syntax

decodeURI(encodedURI)

Parameters

encodedURI
A complete, encoded Uniform Resource Identifier.

Return value

A new string representing the unencoded version of the given encoded Uniform Resource Identifier (URI).

Description

Replaces each escape sequence in the encoded URI with the character that it represents, but does not decode escape sequences that could not have been introduced by encodeURI. The character “#” is not decoded from escape sequences.

Examples

Decoding a Cyrillic URL

decodeURI("https://developer.mozilla.org/ru/docs/JavaScript_%D1%88%D0%B5%D0%BB%D0%BB%D1%8B");
// "https://developer.mozilla.org/ru/docs/JavaScript_шеллы"

Specifications

Specification Status Comment
ECMAScript 3rd Edition (ECMA-262) Standard Initial definition.
ECMAScript 5.1 (ECMA-262)
The definition of 'decodeURI' in that specification.
Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'decodeURI' in that specification.
Standard  
ECMAScript 2017 Draft (ECMA-262)
The definition of 'decodeURI' in that specification.
Draft  

Browser compatibility

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)

See also

Document Tags and Contributors

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 Last updated by: eduardoboucas,