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- <!DOCTYPE html>
- <html>
- <head>
- <title>AJAX Username Check</title>
- <!-- jQuery/Javascripts -->
- <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
- </head>
- <body>
- <!-- FEEDBACK DIV TO DISPLAY AJAX RESPONSE -->
- <div id="feedback-msg"></div>
- <!-- REGISTER FORM -->
- <form action="app/check.php" method="post" id="reg-form" autocomplete="off">
- <p>
- <label for="user">Username</label>
- <input type="text" name="user" placeholder="Username" />
- </p>
- <p>
- <button type="submit" name="submit">Check Username VIA Ajax</button>
- </p>
- </form>
- <!-- END FORM -->
- <!-- AJAX -->
- <script>
- $(document).ready(function() {
- $('#reg-form').on('submit', function(event) {
- event.preventDefault();
- var form_data = $(this).serialize();
- $.ajax({
- url: "app/check.php",
- method: "POST",
- data: form_data,
- dataType: "JSON",
- success: function(data) {
- if (data.error != '') {
- $('#feedback-msg').html(data.error);
- }
- }
- })
- });
- });
- </script>
- </body>
- </html>
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