Source Code: (back to article)
function ValidationForm() {
let username = document.forms["RegForm"]["Name"];
let email = document.forms["RegForm"]["Email"];
let phoneNumber = document.forms["RegForm"]["Telephone"];
let select = document.forms["RegForm"]["Subject"];
let pass = document.forms["RegForm"]["Password"];
if (username.value == "") {
alert("Please enter your name.");
username.focus();
return false;
}
if (email.value == "") {
alert("Please enter a valid e-mail address.");
email.focus();
return false;
}
if (email.value.indexOf("@", 0) < 0) {
alert("Please enter a valid e-mail address.");
email.focus();
return false;
}
if (email.value.indexOf(".", 0) < 0) {
alert("Please enter a valid e-mail address.");
email.focus();
return false;
}
if (phoneNumber.value == "") {
alert("Please enter your telephone number.");
phoneNumber.focus();
return false;
}
if (pass.value == "") {
alert("Please enter your password");
pass.focus();
return false;
}