Jquery math addition - Javascript jQuery Method and Property

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Description

Jquery math addition

Demo Code

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<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://code.jquery.com/jquery-1.6.2.js"></script> 
      <script type="text/javascript">
    $(window).load(function(){/*from  w w  w. j ava 2s .  c o m*/
$('#skillcount').change(function() {
    var value = parseFloat($(this).val()) + 1;
    console.log(value);
});
    });

      </script> 
   </head> 
   <body> 
      <input type="text" id="skillcount" name="skillcount" value="3">  
   </body>
</html>

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