code: function removeClass(node, name) {
          var c = name.split(' ');
          if (c.length > 1) {
              each(c, function (cl) {
                  removeClass(node, cl);
              });
              return;
          }
          if (node.classList) {
              node.classList.remove(name);
          } else {
              node.className = node.className.replace(name, "");
          }
      }
docs: Remove element class
  
  @param {node} element
  @param {string} class name