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This degradable form validation demo verifies the form at the server side on the classic form submit, and also implements AJAX validation while the user navigates through the form. Degradable AJAX Form ValidationDoing a final server-side validation when the form is submitted is always a must. If someone disables JavaScript in the browser settings, AJAX validation on the client side won’t work, exposing sensitive data, and thereby allowing an evil-intended visitor to harm important data back on the server (for example, through SQL injection). Always validate user input on the server!This form validation application validates a registration form, using both… Read More