JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://jsplumb.org/js/jquery.jsPlumb-1.3.15-all.js"></script>
<div id="one">one</div>
<div id="two">two</div>

CSS

div {
    width:3em;height:3em;position:absolute;
    border:1px solid red;
}

#two { top:250px;left:250px; }

JavaScript

jsPlumb.ready(function() {
    var e =  {
       
        isSource:true,
        isTarget:true
                           };
                  
    jsPlumb.addEndpoint("one",e);
    jsPlumb.addEndpoint("two",e);                  
    
                  
            });