How do you check for an empty field in a form?

You can check in two ways using php and javascript. If You want client side validation then you can use javascript or if you want server side validation then you can use php.

using javascript

if(document.formnm.fieldnm.value=='')
{
alert('your message');
return false;
}

using php

if($_REQUEST['fieldnm']=='') { echo "Your Message"; }

Answered by: NikJoshi
http://www.jsgnweb.com

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