JSFiddle - React, Tailwind, and code Playground

by sikusikucom

HTML

<div id="box" class="theme-blue theme- yellow"></div>

JavaScript

function removeClassByPrefix(node, prefix) {
    var regx = new RegExp('\\b' + prefix + '.+?\\b', 'g');
    node.className = node.className.replace(regx, '');
    return node;
}

$(function() {
    removeClassByPrefix($('#box')[0], 'theme-');
    console.log($('#box')[0].className);
});