Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<div id="hello1" class="hello option john">Hello</div>
<div id="hello2" class="hello no-option john">Hello</div>

JavaScript

HTMLElement.prototype.hasClass = function(c){
    return this.className.split(" ").indexOf(c) > -1;
}
    
document.body.innerHTML += 
    "<br>hello1: " + document.getElementById("hello1").hasClass("option")
document.body.innerHTML += 
    "<br>hello2: " + document.getElementById("hello2").hasClass("option")

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JSFiddle - React, Tailwind, and code Playground

HTML

JavaScript

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Join the 4+ million users, and keep the JSFiddle dream alive.

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Use pre-released features

Fiddle collections

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Console