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<!DOCTYPE html> <html> <head> <script> function myFunction() { var x = document.getElementById("fname"); x.value = x.value.toUpperCase(); } </script> </head> <body> <p>A function is triggered when the user releases a key in the input field. The function transforms the character to upper case.</p> Enter your name: <input type="text" id="fname" onkeyup="myFunction()"> </body> <!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_events_onkeyup by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 07:37:15 GMT --> </html>
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