Javascript decodeURI Function

As its name indicates, Javascript decodeURI function workes just opposite to encodeURI and decode the encoded string value into the original format.

The decodeURI function does not consider special characters like , ? : / @ + = $ # to convert but convert all other characters into original format.

Javascript decodeURI function accept string parameter and return corresponding decoded string value.

Syntax

var uri = "https://www.techstrikers.com/test.php?id=23&str=this%20is%20test";
document.write(decodeURI(uri)); 

Javascript decodeURI Function Example

<!DOCTYPE html>
<html>  
<head>  <!-- www.techstrikers.com -->
<title>My first Javascript code</title>   
</head>  
<body bgcolor="#bnde45">
<fieldset>
<legend>Javascript decodeURI Function</legend>
<script> 

var uri = "https://www.techstrikers.com/test.php?id=23&str=this is test";
     
//Encoded Uri
var enc = encodeURI(uri);
document.write(decodeURI(enc)); 
document.write("</br>"); 

//Decoded Uri
var dec = decodeURI(enc);
document.write(decodeURI(dec)); 
document.write("</br>"); 

</script>
</fieldset>
</body>  
</html>

See Live Example

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