JSFiddle - React, Tailwind, and code Playground

HTML

<div id="c"></div>
<div><code>rect.node.raphaelid</code> : <span id="i"></span></div>
<div><code>rect2.node.raphaelid</code> : <span id="i2"></span></div>

JavaScript

var paper = Raphael(c,400,400);

var rect = paper.rect(100,100,200,200);
var rect2 = paper.rect(150,150,200,200);

i.textContent = rect.node.raphaelid;
i2.textContent = rect2.node.raphaelid;