JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="random"> 1 </div>
  <div class="random"> 2 </div>
  <div class="random"> 3 </div>
  <div class="random"> 4 </div>
  <div class="random"> 5 </div>
  <div class="random"> 6 </div>
  <div class="random"> 7 </div>
  <div class="random"> 8 </div>
</div>

JavaScript

$(function() {
  $(window).load(function(){
    $("div.container").randomize("div.random");
  });
});
(function($) {
$.fn.randomize = function(childElem) {
  return this.each(function() {
      var $this = $(this);
      var elems = $this.children(childElem);
      elems.sort(function() { return (Math.round(Math.random())-0.8); });  
      $this.remove(childElem);  
      for(var i=0; i < elems.length; i++)
        $this.append(elems[i]);      
  });    
}
})(jQuery);