javascript - ng-model inside ng-repeat checkbox multiple selection -

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i need edit "group" of elements in table. select elements in table checkbox , after select try group want. problem edit when check button can't send liftsideid need edit , appears undefined. simplify , example put in comments.

http://plnkr.co/edit/vfwyrqorir0tqav6uyl7?p=preview

<button class="btn btn-outline btn-default" ng-click="updategroup(selectedgroup, myliftsite)" ng-hide="edit"> añadir al grupo</button>

when click of button, need selectedgroup it's work ok , in "myliftsite" need id.


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