Getting and Setting a Text Object's 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>