JavaScript - prevent multiple form submittals

Often times we need to prevent a user from submitting the same form twice. This issue becomes especially important with slow connections. Here is a small JavaScript sample of how to prevent duplicate form submittals:

Often times we need to prevent a user from submitting the same form twice. This issue becomes especially important with slow connections. Here is a small JavaScript sample of how to prevent duplicate form submittals:


<SCRIPT language=JavaScript >

var submitcount=0;

function checkSubmit()
{

if (submitcount == 0)
{ submitcount++; return true; }
else
{ alert('This form has already been submitted.' ); return false; }

}

</SCRIPT>

<form name=frmSubmit method=post onSubmit=" return checkSubmit();" action="mypage.asp" >


Submission Date:  9/23/2005 3:03:18 PM
Submitted By:  Robbe Morris
My Home Page:  http://www.robbemorris.com