Function rmClass

GUI/codemirror/lib/codemirror.js:7127–7130

(node, cls)

  function classTest(cls) { return new RegExp("\\b" + cls + "\\b\\s*"); }
  function rmClass(node, cls) {
    var test = classTest(cls);
    if (test.test(node.className)) node.className = node.className.replace(test, "");
  }
  function addClass(node, cls) {
    if (!classTest(cls).test(node.className)) node.className += " " + cls;
  }