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JavaScript | unescape() with examples

Prerequisite: JavaScript | escape()

The unescape() function in JavaScript takes a string as a parameter and use to decode that string encoded by the escape() function. The hexadecimal sequence in the string is replaced by the characters they represent when decoded via unescape().

Syntax :

unescape(string)
<script>
  
// Special character encoded with
// escape function
var str = escape("Geeks for Geeks!!!");
document.write("Encoded : " + str);
  
// New Line
document.write("<br>");
  
// unescape() function
document.write("Decoded : " + unescape(str))
  
// New Line
document.write("<br><br>");
  
// The exception
// @ and . not encoded.
str = escape("To contribute articles contact us"
                "at [email protected]")
document.write("Encoded : " + str);
  
// New Line
document.write("<br>");
  
// unescape() function
document.write("Decoded : " + unescape(str))
  
</script>

Output :

Encoded : Geeks%20for%20Geeks%21%21%21
Decoded : Geeks for Geeks!!!

Encoded : To%20contribute%20articles%20contact%20us%20at%[email protected]
Decoded : To contribute articles contact us at [email protected]


This article is attributed to GeeksforGeeks.org

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