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Recent Posts

How to get a Reference to the Window Object in an Angular 8 Application

There are many articles on the web showing various methods of getting a reference to the window object in Angular (primarily through the dependency injection mechanism). However those that are popular on Google search are from 2016, 2017, etc, and the methods are mostly overly complicated (understandably).

~1 min read

Why you should use trackBy with Angular’s *ngFor loop

trackBy is a function which will return a unique identifier for each item in the array provided to *ngFor.

Normally when the array changes, Angular re-renders the whole DOM tree. But if you use trackBy, Angular will know which element has changed and will only make DOM changes for that particular element.

2 min read
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