This tutorial will explain about Simple Contact Form in PHP Mysql Ajax with Javascript Validation. Here contact form is built in simple HTML and textbox, textarea validation is done with javascript. All the user input will be store in Mysql table. When user gives any input, we will serve all input via Ajax and insert into mysql table. After successful insertion into table we will send back a success message into the same page. Here without navigating to other page user can insert data and get the response in same page.