fix(ngRepeat): correctly iterate over array-like objects

Check if the object is array-like to iterate over it like it's done with arrays.

Closes angular#2546

Author: Gonzalo Ruiz de Villa

src/ng/directive/ngRepeat.js

@@ -212,7 +212,7 @@ var ngRepeatDirective = ['$parse', '$animator', function($parse, $animator) {
               nextBlockOrder = [];
 
 
-          if (isArray(collection)) {
+          if (isArrayLike(collection)) {
             collectionKeys = collection;
           } else {
             // if object, extract keys, sort them and use to determine order of iteration over obj props

test/ng/directive/ngRepeatSpec.js

@@ -55,6 +55,26 @@ describe('ngRepeat', function() {
   });
 
 
+  it('should iterate over an array-like object', function() {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="item in items">{{item.name}};</li>' +
+      '</ul>')(scope);
+
+    document.body.innerHTML = "<p>" +
+                                      "<a name='x'>a</a>" +
+                                      "<a name='y'>b</a>" +
+                                      "<a name='x'>c</a>" +
+                                    "</p>";
+
+    var htmlCollection = document.getElementsByTagName('a');
+    scope.items = htmlCollection;
+    scope.$digest();
+    expect(element.find('li').length).toEqual(3);
+    expect(element.text()).toEqual('x;y;x;');
+  });
+
+
   it('should iterate over on object/map', function() {
     element = $compile(
       '<ul>' +