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<!DOCTYPE html> <html> <body> <p>Click the button to display a random number between 1 and 100.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("demo") x.innerHTML = Math.floor((Math.random() * 100) + 1); } </script> </body> </html>