Need help in form validation...

Question

how to validate email address in form using javascript only.
i tried following condition but didn't work

var eMail = "/^[a-z0-9](\.?[a-z0-9_-]){0,}@[a-z0-9-]+\.([a-z]{1,6}\.)?[a-z]{2,6}$/g";

if (document.myForm.email.value == "" ) {
document.myForm.email.focus();
document.getElementById("mail").innerHTML = " * Email cannot be empty";
}
else if (document.myForm.email.value == !eMail) {
document.myForm.email.focus();
document.getElementById("mail").innerHTML = " * Invalid email";
return false;
}
else {
document.getElementById("mail").innerHtmL = "";
}

Answer 1

Check the following link:

https://www.w3schools.com/js/tryit.asp?filename=tryjs_form_validate_email

Answer 2

Try to learn how to use "Regular expressions"

Answer 3

You can do it with HTML only

<input type="email" pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}quot; />

Answer 4

thanks everyone for help.