Vis.js directed graph experiments

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/vis/3.6.4/vis.min.js"></script>
<div id="info">Foobar</div>
<div id="relationships"></div>

CSS

#relationships{
    
    position: absolute;
    top: 0;
    left:0;
    right:0;
}

JavaScript

// create an array with nodes
var data =...