Single Field Validation on Submit
E-Mail Address:
Code:
Place in the <HEAD>:
Highlight
<script language="JavaScript"> <!-- function checkdata() { var uppervalue; if (document.Contact.email.value.length == 0) { alert ("Please enter an E-Mail Address"); return false; } return true; } //--> </script>
Place in the <BODY>:
Highlight
<form name="Contact" onsubmit="return checkdata()"> E-Mail Address: <input NAME="email" SIZE="16" MAXLENGTH="16"> <input TYPE="submit" VALUE="SUBMIT"> </form>