JSFiddle - React, Tailwind, and code Playground

HTML

<div id="exam" class="exam">
    Exam 1
    <input type="button" id="copy" value="Make Copy" onclick="makeCopy()" />
    <input type="button" id="array" value="Get Array" onclick="makeArray()" />
    <input type="checkbox" id="moving" >Making Them Move!!</input>
</div>

JavaScript

$("#moving").click(function() {
    $("#exam").stop().css("marginLeft", "0").animate({
      marginLeft: "+=500"
        }, 1000, function() {
            display("");
        }
    );
  });