How to $watch changes on models created by ng-repeat?

Question

Consider this Plnkr for example. I don\'t know how many members of fooCollection will be created beforehand. So I don\'t know how many bar models a

Answer 1

If you have your collection populated, you can place a watch on each item of the ng-repeat:

html

   {{ item.itemField }}

js

for (var i = 0; i < $scope.items.length; i++) {
   $scope.$watch('items[' + i + ']', function (newValue, oldValue) {
      console.log(newValue.itemField + ":::" + oldValue.itemField);
   }, true);
}