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

JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1" class="classToCheck">Div1</div>

JavaScript

var hasClass = function (el, searchClass) {
    return el.className.test(new RegExp('(\\s|^)' + searchClass + '(\\s|$)'));
};
    
alert(    hasClass(   document.getElementById('div1'), 'classToCheck'   )    )

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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.

Ad-free

Use pre-released features

Fiddle collections

Private collections and fiddles

Console