Function getWindowForElement

docs/tests/v2/es6/js/sanddance.js:51739–51742

* get the window object of an element * @param {HTMLElement} element * @returns {DocumentView|Window}

(element)

  function getWindowForElement(element) {
    var doc = element.ownerDocument || element;
    return doc.defaultView || doc.parentWindow || window;
  }

  var MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;
  var SUPPORT_TOUCH = 'ontouchstart' in window;