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Editorial Team
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Asked: 2026-06-15T04:21:50+00:00

I have been working with the Keyup method of jQuery and it doesn’t seem

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I have been working with the Keyup method of jQuery and it doesn’t seem to work for me. I went to create this on Jfiddle and sure enough it works there. But when upload it to a website or run it locally it does not work. What am I doing wrong here?

<html>
  <head>
    <title>Untitled Document</title>
    <script src="http://code.jquery.com/jquery-1.8.3.js"></script>
    <script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
    <script>
      $('#TAcomments').keyup(function() {
        var textCount = $(this).val().length;
        if(textCount <= 10) {
          $('#TAcomments').stop().animate({ fontSize : '22px' });
        }
        if(textCount > 10) {
          $('#TAcomments').stop().animate({ fontSize : '16px' });
        }
        if(textCount > 20) {
          $('#TAcomments').stop().animate({ fontSize : '14px' });
        }
        if(textCount > 30) {
          $('#TAcomments').stop().animate({ fontSize : '10px' });
        }
      });
    </script>
  </head>
  <body>
    <textarea id="TAcomments" style="width: 400px; height: 300px; font-size: 22px;"></textarea>
  </body>
</html>
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1 Answer

  1. Editorial Team

    You need to wait until the document is ready.

    $(document).ready(function(){
    $('#TAcomments').keyup(function() {
        var textCount = $(this).val().length;
        if(textCount <= 10) {
            $('#TAcomments').stop().animate({ fontSize : '22px' }); 
        }
        if(textCount > 10) {
           $('#TAcomments').stop().animate({ fontSize : '16px' });               
        }
        if(textCount > 20) {
           $('#TAcomments').stop().animate({ fontSize : '14px' });   
        }
        if(textCount > 30) {
           $('#TAcomments').stop().animate({ fontSize : '10px' });   
        }
    });
});

    jsfiddle defaults to running code after the onload event.

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