Function indexOfObject

Sortable.js:435–443

* Returns the index of the object within the given array * @param {Array} arr Array that may or may not hold the object * @param {Object} obj An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find * @return {Number} The index

(arr, obj)

   * @return {Number}      The index of the object in the array, or -1
   */
  function indexOfObject(arr, obj) {
    for (var i in arr) {
      if (!arr.hasOwnProperty(i)) continue;
      for (var key in obj) {
        if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
      }
    }
    return -1;
  }
  function getParentAutoScrollElement(el, includeSelf) {
    // skip to window
    if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();