decodeURI

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

See also

• decodeURIComponent
• encodeURI
• encodeURIComponent