Sum in PHP with HTML Form using Jquery -


i new jquery , want create very simple page learn bit about. trying make form sends values php. php sum , returns results. jquery show in page, dynamically.

this html , javascript:

<html>  <head>  <title>null</title>   <script type="text/javascript" src="http://ajax.microsoft.com/ajax/jquery/jquery-1.4.2.min.js"></script>  <script type="text/javascript">   $(document).ready(function(){   $("form1").change(function() {   $.get("requisit.php", {a1: $("#a1").html(), a2: $("#a2").html()},   function(data) {   $(".results").empty().html(data);   });   return false;  });  });  </script>   </head>  <body>           <form name="form1">  <input type="text" name="a11" id="a1"><br/> <input type="text" name="a22" id="a2"> </form>   <div class="results">  answer is:  </div>  </div>  </body>  </html>

this php:

<?php  $a1 = $_get['a1'];  $a2 = $_get['a2'];   $sasa = $a1+$a2;  echo $sasa;  ?>

ajax not displaying results. that's problem. trying make ajax detect modification , show results not work , dont know why.

thank you!

    <html>  <head>  <title>null</title>   <script type="text/javascript" src="http://ajax.microsoft.com/ajax/jquery/jquery-1.4.2.min.js"></script>  <script type="text/javascript">   $(document).ready(function(){   $(".sum").keyup(function() {   totalamount=0;  $('.sum').each(function() {     if($(this).val()!=""){      totalamount += parsefloat($(this).val()); }  });  $(".results").html(totalamount );  });  });  </script>   </head>  <body>           <form name="form1">  <input type="text" name="a11" class="sum" id="a1"><br/> <input type="text" name="a22" class="sum" id="a2"> </form>   <div class="results">  answer is:  </div>  </div>  </body>  </html>

you can try code: need take common class of each textarea box , use $('.sum').each(function()


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