The decodeURI()
function decodes a Uniform Resource Identifier (URI) previously created by encodeURI()
or by a similar routine.
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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).
Exceptions
Throws an URIError
("malformed URI sequence") exception when encodedURI
contains invalid character sequences.
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 โ#
โ 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_ัะตะปะปั"
Catching errors
try { var a = decodeURI('%E0%A4%A'); } catch(e) { console.error(e); } // URIError: malformed URI sequence
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of 'decodeURI' in that specification. |
Browser compatibility
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
decodeURI | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 5.5 | Opera Full support 7 | Safari Full support 1.1 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 10.1 | Safari iOS Full support 1 | Samsung Internet Android Full support 1.0 | nodejs Full support 0.1.100 |
Legend
- Full support
- Full support