Function getWindowScrollingElement

Sortable.js:237–244

()

    return [];
  }
  function getWindowScrollingElement() {
    var scrollingElement = document.scrollingElement;
    if (scrollingElement) {
      return scrollingElement;
    } else {
      return document.documentElement;
    }
  }

  /**
   * Returns the "bounding client rect" of given element