JSFiddle - React, Tailwind, and code Playground

by keeto

HTML

<div id="smiley-face"></div>

JavaScript

var Something = new Class({
    initialize: function ( el , options) {
        var els;
        els = this.els = (els = document.id(el)) ? $$(els) : document.getElements(el);
        if (!els.length) throw new Error('You did it wrong');
    }
});
new Something('smiley-face');