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Changing name on input field using JavaScript

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Jan 16.2008

Hi guys,

I have a field on my form:

<input name=”A” size=”30″ maxlength=”15″>

I want user entering more then 6 characters on this field to be “re-named” into

<input name=”B” size=”30″ maxlength=”15″>

when the user POST the form.

And also an other field value to change from

<input name=”TEST” value=”C”>

TO

<input name=”TEST” value=”D”>

Does anyone knows if this is possible?
Thanks for help.

Max

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JavaScript

4 Comments(s) ↴

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@KorJan 16.2008 — when you submit data, you change the session. When you change the session you lose all the javascript changes, as javascript is a client-side language. My advice is to use a server-side application for that (php, asp...)
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@mpace030authorJan 16.2008 — Hi KOR,

thanks for reply, but I actually need it just on that specific session, I need one input field that uses different "name" according to the lenght of caracthers added by end-user. On session level. Thanks a lot. Max.
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@KorJan 16.2008 — Oh, I see...

Like this?:
<i>
</i>&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Untitled Document&lt;/title&gt;
&lt;meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"&gt;
&lt;meta http-equiv="Content-Style-Type" content="text/css"&gt;
&lt;meta http-equiv="Content-Script-Type" content="text/javascript"&gt;
&lt;script type="text/javascript"&gt;
function changeName(obj){
obj.name=obj.value.length&gt;6?'B':'A';
obj.form['TEST'].value=obj.value.length&gt;6?'D':'C';
}
&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;form&gt;
&lt;input type="text" name="A" size="30" maxlength="15" onkeyup="changeName(this)" onblur="changeName(this)"&gt;
&lt;input type="text" name="TEST" value="C"&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
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@mpace030authorJan 16.2008 — Hi KOR,

impressive!

you are great! Thanks a lot, it works just fine.

Max
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