Multiple Field Validation on Submit #1
First Name:
Last Name:
E-mail:
Code:
Place in the <BODY>:
Highlight
<script language="JavaScript"> <!-- function checkdata() { var uppervalue; if (document.Contact.first_name.value.length == 0) { alert ("Please enter your first name."); return false; } var uppervalue; if (document.Contact.last_name.value.length == 0) { alert ("Please enter your last name."); return false; } if (document.Contact.email.value.length == 0) { alert ("Please enter your e-mail address."); return false; } uppervalue = document.Contact.email.value.toUpperCase(); if (uppervalue.indexOf('@') < 0) { alert ("Your e-mail address must contain '@'."); return false; } return true; } //--> </script> <form name="Contact" onsubmit="return checkdata()"> First Name: <input type="text" size="15" name="first_name"> <p>Last Name: <input type="text" size="15" name="last_name"> <p>E-mail: <input type="text" size="15" name="email"> <p><input type="submit" value="Submit"> <input type="reset"> </form>