JSFiddle - React, Tailwind, and code Playground

HTML

<div id="canvas"></div>

JavaScript

window.onload = function () {
    var paper = Raphael("canvas", 320, 200),
        st = paper.set(), 
        propArr = [];
    
    st.push(
        paper.circle(10, 10, 5),
        paper.circle(30, 10, 5)
    );
    
    st.attr({fill: "red"});
    
    for(var prop in st) {
        if (st.hasOwnProperty(prop)) {
            // handle prop as required
            propArr.push(prop + " : " + st[prop]);
        }
    }
    alert(propArr.join("\n"));
};