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Submitted on: 6/4/2003 8:10:42 PM
By: Charles Toepfer 
Level: Intermediate
User Rating: By 1 Users

Users have accessed this article 6374 times.
(About the author)
     Javascript URLEncode (like ASP URLEncode).

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function urlencode(strText) {                            

            var isObj;

            var trimReg;

            if( typeof(strText) == "string" ) {

                        if( strText != null ) {

                                    trimReg = /(^\s+)|(\s+$)/g;

                                    strText = strText.replace( trimReg, '');

                                    for(i=32;i<256;i++) {              

                                                strText = strText.replace(String.fromCharCode(i),escape(String.fromCharCode(i)));                                                                




            return strText;


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Other User Comments
7/19/2003 6:16:10 AM:Koen The Dutch Dude
Awesome code. Works great! I found that many people (i.e. in newsgroups) dont know there is a solution for the problem in which JavaScript translates encoded URLs back to decoded URLs when passing through functions. Re-encoding them with this code works great. Thanks a lot!
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9/24/2003 10:37:19 AM:
Alas, the code doesn't work as expected. The
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9/24/2003 10:38:17 AM:
Alas, this code doesn't work as expected. The "strText.replace" part replaces only the FIRST occurrence of any character; other occurrences are untouched. I would propose the following instead: var strRet = ""; (....) for( i = 0; i< strText.length; i++ ) strRet += escape( strText.charAt( i ) ); (...) return strRet; Some more comments: 1. variable "isObj" is initialized, but never used. 2. strText can't ever be null, if typeof( strText ) returns true. So the null-test is unnecessary. 3. This function does not solve certain problems you may encounter when the urlencoded variable contains a "+" character (which is interpreted as a space in many browsers and server programs, like PHP). But that is a problem of those programs, I guess.
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