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Asked: 2026-05-11T06:40:04+00:00

I am having trouble escaping special characters in as3. trace( escape(who are ü?) );

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I am having trouble escaping special characters in as3.

trace( escape('who are ü?') );

returns who%20are%20%uFFFD%3F

or 

trace( encodeURIComponent('who are ü?') );

returns who%20are%20%EF%BF%BD%3F

while in javascript this

alert( encodeURIComponent('who are ü?') );

returns who%20are%20%C3%BC%3F

and

alert( escape('who are ü?') );

returns who%20are%20%FC%3F

Any suggestions how to get as3 to return escaped special characters as javascript is? Why is as3 apparently choking?

(here is a good reference: http://www.ultrashock.com/forums/actionscript/as3-escape-vs-as2-escape-122046.html )

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1 Answer

  1. Looks like AS is escaping the string as UTF-16, while the Javascript example is escaping as UTF-8. escape doesn’t define how to deal with non-ascii characters, and so it’s been deprecated as of JavaScript 1.5. You should use the function encodeURIComponent instead, which is defined as escaping as UTF-8 – This should be consistent across different implementations. If you require the AS behaviour, I don’t think there is a native function in Javascript, but you can use the functions provided here.

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