JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
<div class="someDiv">
</div>
<input type="button" value = "Add" id="btnAdd">
<script>
var size = 0;
        $("#btnAdd").click(function(){
             $(".someDiv").append("<input type='text' name='EducationalBackground["+size+"].InstituteName' class='form-control' />");
             size++;
        })
</script>

CSS

p {
    background: yellow;
  }