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AngularJS 1.8: implementing Binding Deeply Nested Objects in Two-Way Data Binding

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angularjs databinding nested-objects JavaScript

I recently switched to I recently switched to I've been banging my head against this for hours. Quick question that's been bugging me - I'm currently working with a scenario with two-way data binding in AngularJS 1.8 when dealing with deeply nested objects. I have a form that allows users to edit a user's profile, which includes a nested structure for the user's address. When I attempt to bind the address fields to the respective properties in the model, the changes are not being reflected correctly in the model object. I have tried using the `ng-model` directive on the input fields for the address, but it seems that modifications to these fields do not trigger a digest cycle, leading to stale data in the model. Here’s a snippet of my code: ```html <div ng-controller="ProfileController as vm"> <form name="profileForm"> <input type="text" ng-model="vm.user.name" placeholder="Name" /> <div> <label>Street:</label> <input type="text" ng-model="vm.user.address.street" placeholder="Street" /> </div> <div> <label>City:</label> <input type="text" ng-model="vm.user.address.city" placeholder="City" /> </div> <div> <label>Zip:</label> <input type="text" ng-model="vm.user.address.zip" placeholder="Zip" /> </div> </form> </div> ``` In my controller, I initialize the user object like this: ```javascript app.controller('ProfileController', function() { this.user = { name: '', address: { street: '', city: '', zip: '' } }; }); ``` However, when I change the values in the address fields, the model does not update as expected. I even tried wrapping the updates in a `$scope.$apply()` call, but I encountered an behavior saying that it was already in a digest cycle. I am not sure if this is a scoping scenario or a question with how AngularJS is handling the bindings for nested properties. Any insights or suggestions on how to properly set this up would be greatly appreciated! My development environment is Ubuntu. I'm working on a CLI tool that needs to handle this. This is part of a larger REST API I'm building. Cheers for any assistance! I'm coming from a different tech stack and learning Javascript. Thanks for taking the time to read this!