fix(isArrayLike): handle jQuery objects of length 0

Closes: #13169
Closes: #13171

Author: lgalfaso

src/Angular.js

@@ -191,11 +191,6 @@ var
 msie = document.documentMode;
 
 
-function isNodeList(obj) {
-  return typeof obj.length == 'number' &&
-         typeof obj.item == 'function';
-}
-
 /**
  * @private
  * @param {*} obj
@@ -207,15 +202,20 @@ function isArrayLike(obj) {
   // `null`, `undefined` and `window` are not array-like
   if (obj == null || isWindow(obj)) return false;
 
-  // arrays and strings are array like
-  if (isArray(obj) || isString(obj)) return true;
+  // arrays, strings and jQuery/jqLite objects are array like
+  // * jqLite is either the jQuery or jqLite constructor function
+  // * we have to check the existance of jqLite first as this method is called
+  //   via the forEach method when constructing the jqLite object in the first place
+  if (isArray(obj) || isString(obj) || (jqLite && obj instanceof jqLite)) return true;
 
   // Support: iOS 8.2 (not reproducible in simulator)
   // "length" in obj used to prevent JIT error (gh-11508)
   var length = "length" in Object(obj) && obj.length;
 
-  // node lists and objects with suitable length characteristics are array-like
-  return (isNumber(length) && length >= 0 && (length - 1) in obj) || isNodeList(obj);
+  // NodeList objects (with `item` method) and
+  // other objects with suitable length characteristics are array-like
+  return isNumber(length) &&
+    (length >= 0 && (length - 1) in obj || typeof obj.item == 'function');
 }
 
 /**

test/AngularSpec.js

@@ -1142,6 +1142,11 @@ describe('angular', function() {
 
       forEach(jqObject, function(value, key) { log.push(key + ':' + value.innerHTML); });
       expect(log).toEqual(['0:s1', '1:s2']);
+
+      log = [];
+      jqObject = jqLite("<pane></pane>");
+      forEach(jqObject.children(), function(value, key) { log.push(key + ':' + value.innerHTML); });
+      expect(log).toEqual([]);
     });