JSFiddle - React, Tailwind, and code Playground

by LeD4eG

JavaScript

function removeClass(obj, cls){
 var arrCls = obj.className.split(' ');
    for(var i=0; i<arrCls.length; i++){
        if(arrCls[i] == cls){
            arrCls.splice(i, 1);
            i--;
        }
    }        
     
     obj.className = arrCls.join(' ')
}
var obj = { className: 'cls1 cls2 cls2' }
            
removeClass(obj, 'cls2');
alert(obj.className);