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Getting and Setting a Text Objects value Property

< html>  <head>  <title>Text Object value Property</title>  <script type="text/javascript">  function upperMe() {      var field = document.forms[0].converter;      var upperCaseVersion = field.value.toUpperCase();      field.value = upperCaseVersion;  }  </script>  </head>  <body>  <form onsubmit="return false">  <input type="text" name="converter" value="sample" onchange="upperMe()">  </form>  </body>  </html>