Tryit Editor v1.8

Source Code:
<!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> </html>
Result:
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