php - jquery is resetting my div content -

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i'm trying change content of div using jquery. content flashes , resets div. cannot use return false; because there button post text field value. want keep changes of div. here code:

<html> <head>     <meta charset="utf-8">     <title></title>     <script type="text/javascript" src="jquery.js"></script>  </head> <body>      <div>         <form id="form" method="post">             <input type="text" name="gname" id="gname"/></br>             <button id="btn">set</button>             <button id="nbtn">view</button>         </form>     </div>     <div id="outp">      </div> </body> <script>     $("#btn").click(function(event) {         $.post("send.php", {             named: $("#gname").val()}, function(data) {             alert(data);         });     });  </script>  <script>     $("#nbtn").click(function(e) {          $("#outp").html("<?php include './view.php'; ?>");      }); </script>

it's not jquery; it's form being posted. change made, form posted , page refreshed server.

the default type of button elements "submit". make 1 or both of buttons button, use type="button".

alternately, if want allow form used when javascript disabled (e.g., allow posted normally), leave buttons submit buttons prevent form submission using javascript. e.g.:

$("#form").submit(false); // prevents form being submitted in normal way.

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