custom validation email input message

meh.js

[].forEach.call( document.querySelectorAll('[type="email"]'), function(emailElement) {
    emailElement.addEventListener('invalid', function() {
        var message = this.value + 'is not a valid email address';
        emailElement.setCustomValidity(message)
    }, false);

    emailElement.addEventListener('input', function() {
        try{emailElement.setCustomValidity('')}catch(e){}
    }, false);
    });