Form Validation
Validation Styles
You can indicate invalid and valid form fields with .is-invalid and .is-valid. Note that .invalid-feedback is also supported with these classes.
jQuery Validation
This jQuery plugin makes simple clientside form validation easy, whilst still offering plenty of customization options. For more usaage information, please refer to jQuery Validation
<!-- page js -->
<script src="assets/vendors/jquery-validation/jquery.validate.min.js"></script>