https://www.w3schools.com/js/tryit.asp?filename=tryjs_string_toupper ' nverte la stringa In Maiuscolo <!DOCTYPE html> <html> <body> <p>Convert string to upper case:</p> <button onclick="myFunction()">Try it</button> <p id="demo">Hello World!</p> <script> function myFunction() { var text = document.getElementById("demo").innerHTML; document.getElementById("demo").innerHTML = text.toUpperCase(); } </script> </body> </html> |