JSFiddle - React, Tailwind, and code Playground
by cgough
HTML
<div id="MyDiv" class="class1">
I have a class, class 1
</div>
<div class="class2">
I have a class, class 2
</div>
JavaScript
function hasClass(element, className) {
return element.className+test(element, className);
}
document.getElementById('MyDiv').hasClass('class1');