How to validate email address in JavaScript?

The best way is using regular expressions.
Example ↓

<script type="text/javascript">
function isValidEmail(email) {
    var regex_pattern = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
    return regex_pattern.test(email);
}
</script>

Also you can use some another reg.exps:

Continue reading How to validate email address in JavaScript?