Question

Write a setInterval() function that increases the count by 1 and displays the new count in counterElement every 100 milliseconds. Call clearInterval() to cancel the interval when the count displays 4.

Answer 1

Answer:

var count = 0;

var counterElement = document.getElementById("counter");

counterElement.innerHTML = count;

var interval = setInterval(function () {

   count++;

   counterElement.innerHTML = count;

   if (count === 4) {

       clearTimeout(interval);

   }

}, 100);

Explanation: