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Date Posted: 06:09:11 03/25/00 Sat
Author: Webmaster
Subject: Re: How can I trim a string in Javascript ?
In reply to: Suki 's message, "How can I trim a string in Javascript ?" on 00:56:27 03/22/00 Wed

Hi Suki,

Sorry for my very late reply. The following is a trim function:


function trim(st) {
var len = st.length
var begin = 0, end = len - 1;
while (st.charAt(begin) == " " && begin < len) {
begin++;
}
while (st.charAt(end) == " " && begin < end) {
end--;
}
return st.substring(begin, end+1);
}


The mechanism is simple. Just find the non-space positions for the begin and end of the string and, use substring to copy the portion.


> Here is the problem :
>
> a="AAA";
> b="AAA ";
>
> if (a==b)
> alert("same");
> else
> alert("not same");
>
> The result must be not same. How can I solve this
> problem ?

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