JavaScript Reference/Javascript Methods/unescape
"unescape()" Example
<source lang="javascript">
<html> <body> <button onclick="alert(escape("Hello World!"));">Escape function</button> <button onclick="alert(unescape("Hello%20World%21"));">Unescape function</button> </body> </html>
</source>
"unescape()" Syntax, Parameters and Note
<source lang="javascript">
Note: Converts URL encoded text back to normal text.
Syntax:
unescape(param1) Parameters:
param1 Required; a URL encoded string. </source>