Function isArrayLike

test/angular/1.2/angular.js:268–281

* @private * @param {*} obj * @return {boolean} Returns true if `obj` is an array or array-like object (NodeList, Arguments, * String ...)

(obj)

 *                   String ...)
 */
function isArrayLike(obj) {
  if (obj == null || isWindow(obj)) {
    return false;
  }

  var length = obj.length;

  if (obj.nodeType === 1 && length) {
    return true;
  }

  return isString(obj) || isArray(obj) || length === 0 ||
         typeof length === 'number' && length > 0 && (length - 1) in obj;
}

/**
 * @ngdoc function