Category: Java Script

Check username availability using javascript and php mysqli

Most of popular  website using in this method,so this tutorial focus for  username availability method.in this method commonly used for user registration form section.this function should be check username to mysql database. Demo   Download source code following code: conn.php In this page to connect database, <?php /** * This code is php and mysqli

JavaScript Form Validation

  In this form validation used for blank system method, its not allow for without form filling.if user not type for employee name its not  allow for submit section. Example: <html> <head> <script type = "text/javascript"> function formvalidation() { if( document.myform.ename.value == "" ) { alert( "Please Enter your name!" ); document.myform.ename.focus() ; return false;