"; function blockedEmails(){ var emailAddress=$('input[name="emailAddress"]').val(); if( //list excluded domains emailAddress.indexOf("@expandts.com")> -1) { $('form input[type=Submit]').prop('disabled', true).css('cursor','not-allowed'); } else { $('form input[type=Submit]').prop('disabled', false).css('cursor','pointer'); } } blockedEmails() $('input[name=emailAddress]').on('change keyup', function(){ blockedEmails(); }); //force phone input type tel $('input[name=mobilePhone]').prop("type", "tel"); //generate uid var uid = Math.random().toString(36).slice(2, 7)+Date.now(); $('input[name="uid"]').val(uid); function validateEmailAddressDomain(){ var emailAddress=$('input[name="emailAddress"]').val(); if( //list excluded domains emailAddress.indexOf("@hotmail.")> -1 || emailAddress.indexOf("@gmail.")> -1 || emailAddress.indexOf("@yahoo.")> -1 || emailAddress.indexOf("@free.")> -1 || emailAddress.indexOf("@outlook.")> -1) { //hide error message $('#errorDomain').remove(); //show error message $('input[name="emailAddress"]').after('Please enter a professional email address'); //prevent form submission $('form input[type=Submit]').prop('disabled', "disabled").css('cursor','not-allowed'); } else { //remove error message $('#errorDomain').remove(); //enable form submission $('form input[type=Submit]').prop('disabled', false).css('cursor','pointer'); } } validateEmailAddressDomain(); //fire function on email address field change $('input[name=emailAddress]').on('change keyup', function(){ validateEmailAddressDomain(); }); });