v1
3/24/2021 by jstesting -00
Setup HTML
<div id="empty" class="">empty div</div>
<div id="big" class="one two three four five six">lots</div>Setup JavaScript
var removeCssClass = function(elem, cName) {
var a = " " + elem.className + " ",
b = a.indexOf(" " + cName + " ");
if (b >= 0) elem.className = (a.substr(0, b) + " " + a.substring(b + cName.length + 1, a.length)).trim()
};
var empty = document.getElementById("emtpy");
var big = document.getElementById("big");
ready
big.classList.remove("test");ready
removeCssClass(big, "test");