JSFiddle - React, Tailwind, and code Playground

HTML

<span class="Count">100</span>
<br/>
<span class="Count">200</span>
<br/>
<span class="Count">300</span>

JavaScript

$('.Count').each(function () {
  var $this = $(this);
  jQuery({ Counter: 0 }).animate({ Counter: $this.text() }, {
    duration: 1000,
    easing: 'swing',
    step: function () {
      $this.text(Math.ceil(this.Counter));
    }
  });
});