Here you can see random number for 1 to 25. if you look more then change "25" text and add what you want.
<html>
<body>
Click the button to display a random number between 1 and 10.
<button >Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = Math.floor((Math.random() * 25) + 1);
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>