Questions tagged [angular2-changedetection]
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I am facing an issue with updating data in real-time from the profile component to the header component. Initially, it works fine but after updating any value in the profile component, the header observable does not subscribe again. To solve this problem, ...
I am currently working in Angular2 and facing an issue with passing data from one parent component to a child component. <app-datatable-repr [myFilterData]="filterData"></app-datatable-repr> The data being passed is stored in an object called ...
I've been struggling with implementing the OnPush change detection strategy. Here is an example of a class I have: class Item { private name; private _valid; public set valid(valid) { this._valid = valid; } constructor(name) { this.na ...
For instance, there's an element in the template that uses a local variable #targetElement to retrieve its current width whenever needed. However, I prefer not to calculate the style programmatically. I attempted using a setter with the @ViewChild annotati ...
I am a beginner in the world of Angular2 with TypeScript. As I delve into my project, one concept that continues to elude me is the purpose of OnPush: changeDetection : ChangeDetectionStrategy.OnPush Despite my dedicated efforts in researching this top ...
I have searched various sources for the question above, but I am finding conflicting answers. For example, on Angular University's website, it is mentioned that change detection is triggered when the async pipe receives a new observable value. However ...
When I run cdr.detectChanges() in a nested child component (Child1) which has a parent and another nested child component (Child2), only ngDoCheck is invoked in Child2. Why doesn't it invoke DoCheck in the current component (Child1) as well? How can I dete ...
See the problem in action on YouTube Check out the GitHub repository for the demo app My simple app consists of an app component, a child component (account), and an alert service that handles a message dialog component (popup modal). To demonstrate the ...