JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.9.0/vis.js"></script>
<div id="mynetwork"></div>

CSS

#mynetwork {
    width: 600px;
    height: 400px;
    border: 1px solid lightgray;
}

JavaScript

// create an array with nodes
var nodes = new vis.DataSet([
    {id: 1, label: 'Node 1', value: 1},
    {id: 2, label: 'Node 2', value: 4},
    {id: 3, label: 'Node 3', value: 2},
    {id: 4, label: 'Node 4', value: 1},
    {id: 5, label: 'Node 5', value: 6}
]);

// create an array with edges
var edges = new vis.DataSet([
    {from: 1, to: 3},
    {from: 1, to: 2},
    {from: 2, to: 4},
    {from: 2, to: 5}
]);

// create a network
var container = document.getElementById('mynetwork');

// provide the data in the vis format
var data = {
    nodes: nodes,
    edges: edges
};
var options = {
    nodes: {
        shape: 'square',
        scaling: {
            label: {
                enabled: true
            }
        }
    }
};

// initialize your network!
var network = new vis.Network(container, data, options);