escape()

Availability
Flash Player 5.

Usage
escape(expression:String) : String

Parameters
expression The expression to convert into a string and encode in a URL-encoded format.

Returns
URL-encoded string.

Description
Function; converts the parameter to a string and encodes it in a URL-encoded format, where all nonalphanumeric characters are replaced with % hexadecimal sequences. When used in a URL-encoded string, the percentage symbol (%) is used to introduce escape characters, and is not equivalent to the modulo operator (%).

Example
The following code produces the result someuser%40somedomain%2Ecom:

var email:String = “someuser@somedomain.com”;
trace(escape(email));

In this example, the at symbol (@) was replaced with %40 and the dot symbol (.) was replaced with %2E. This is useful if you’re trying to pass information to a remote server and the data has special characters in it (for example, & or ?), as shown in the following code:

var redirectUrl = “http://www.somedomain.com?loggedin=true&username=Gus”;
getURL(“http://www.myothersite.com?returnurl=”+ escape(redirectUrl));

See also
unescape()

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