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Chapter 21 JavaScript Reference |
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unescape() Function
Name
unescape() Function---decode an escaped stringAvailability
Navigator 2.0, Internet Explorer 3.0
Synopsis
unescape(s)
Arguments
- s
-
The string that is to be decoded or "unescaped."
Returns
A decoded copy of s.
Description
The unescape() function is a built-in part of JavaScript; it is not a method of any object.
unescape() decodes a string encoded with escape(). It creates and returns a decoded copy of s. It decodes s by finding and replacing character sequences of the form %xx, where xx is two hexadecimal digits. Each such sequence is replaced by the single character represented by the hexadecimal digits in the Latin-1 encoding.
Thus, unescape() decodes the string:
Hello%20World%21
to:
Hello World!
See escape() for more information on this encoding and decoding technique.
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