<!DOCTYPE html>
<html lang="en-US">
<body>
<p>Check your console (Press F12).</p>
<script>
var i;
console.time("For loop");
for(i=0; i<1000000; i++){
//dummy for loop
}
console.timeEnd("For loop");
i = 0;
console.time("While loop");
while(i < 1000000){
//dummy while loop
i++;
}
console.timeEnd("While loop");
</script> </body>
</html>