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JavaScript: The Definitive Guide

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unescape() Function

Name

unescape() Function---decode an escaped string

Availability

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.

See Also

"escape()", "String"


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