JAVASCRIPT

javascript random six digit number with animation

var numbers = [12, 54, 32, 45, 21, 69, 20];
function generateNumber(index) {
  var desired = numbers[index];
  var duration = 2000;

  var output = $('#output' + index); // Start ID with letter
  var started = new Date().getTime();

  animationTimer = setInterval(function() {
    if (output.text().trim() === desired || new Date().getTime() - started > duration) {
      clearInterval(animationTimer); // Stop the loop
      output.text(desired); // Print desired number in case it stopped at a different one due to duration expiration
      generateNumber(index + 1);
    } else {
      output.text(
        '' +
        Math.floor(Math.random() * 10) +
        Math.floor(Math.random() * 10)
      );
    }
  }, 100);
}

generateNumber(0);

javascript random six digit number with animation

.output {
    margin: 20px;
    padding: 20px;
    background: gray;
    border-radius: 10px;
    font-size: 80px;
    width: 80px;
    color: white;
    float: left;
}

javascript random six digit number with animation

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<div class="output" id="output0">--</div>
<div class="output" id="output1">--</div>
<div class="output" id="output2">--</div>