Posts Tagged Javascript validation

Simple Javascript Validation for Checkbox

Posted by Imran in Javascript on January 22nd, 2010

There are times when we need to add javascript validation to check if at least one of a group of checkbox options has been checked. Here is a simple function that’ll solve the problem and works in most of the browsers.

<html>
<head>
<title>Imran’s checkbox validation</title>
<script language=”javascript”>
//frm is the form element
function checkForm(frm){
var destCount = frm.elements['dest[]‘].length;
var destSel [...]

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