<!DOCTYPE html>
<html>
<body>
<p>Click the button to loop through a block of code five times.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = "", i;
for (i=0; i<5; i++) {
x = x + "The number is " + i + "<br>";
}
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>