JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

JavaScript

var el = $('div');

alert(el.length);

var result = "";
for (var x in el) {
    result += x + ",";
}

alert("Using for in: " + result);

var result = "";
for (var i=0;i<el.length;i++) {
    result += el[i] + ",";
}

alert("Using for (;;;): " + result);