Function hasClass

static/nprogress/nprogress.js:420–423

* (Internal) Determines if an element or space separated list of class names contains a class name.

(element, name)

   */

  function hasClass(element, name) {
    var list = typeof element == 'string' ? element : classList(element);
    return list.indexOf(' ' + name + ' ') >= 0;
  }

  /**
   * (Internal) Adds a class to an element.