How to use value of model as a name of other model in angular js

Question

var myApp = angular.module('LoginApp',[]);

myApp.controller('dynamic', ['$scope', function($scope) {
   $scope.a_1= "Admin";

   $scope.auction_no = 1;

   $scope.item = [{ A:"a" , B:1 }];
}]);

I have to give model name in HTML in {{ x }} , x should be {{item.A}}_{{auction_no}} like this . and finally it should give output Admin

Can you please add an example as exactly what do you want to extract? — Nikhil Aggarwal
– Nikhil Aggarwal, Commented Dec 4, 2015 at 19:43
Your question is not very clear can you please explain a little more. — Indranil Mondal
– Indranil Mondal, Commented Dec 4, 2015 at 19:44
Create a service that acts as a go-between for your controllers. Inject this service into both of them, and modify as necessary. One solution would be to use $q to create a promise that you never resolve but watch for updates, and use that as the cue to update your models. — Seiyria
– Seiyria, Commented Dec 4, 2015 at 19:44

BAM5 · Accepted Answer · 2015-12-04 20:10:54Z

1

You can use the bracket accessor $scope[$scope.item[0].A + "_" + $scope.auction_no]

answered Dec 4, 2015 at 20:10

BAM5

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Comments

Andy W · Accepted Answer · 2015-12-04 20:10:24Z

0

If you are able to make your first variable an object:

$scope.auctions = {
  a_1: 'Admin'
};

$scope.auction_no = 1;
$scope.item = [{ A:"a" , B:1 }];

var x = $scope.auctions[$scope.item[0]['A'] + '_' + $scope.auction_no];

The variable x should hold the value Admin at this point.

answered Dec 4, 2015 at 20:10

Andy W

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