Function removeClass

testing/qunit-2.9.2.js:4633–4643

(elem, name)

  	}

  	function removeClass(elem, name) {
  		var set = " " + elem.className + " ";

  		// Class name may appear multiple times
  		while (set.indexOf(" " + name + " ") >= 0) {
  			set = set.replace(" " + name + " ", " ");
  		}

  		// Trim for prettiness
  		elem.className = typeof set.trim === "function" ? set.trim() : set.replace(/^\s+|\s+$/g, "");
  	}

  	function id(name) {
  		return document.getElementById && document.getElementById(name);