Change detection in angular unit test | Angular unit test case Tutorials with Jasmine
Change Detection is the backbone of the Angular framework, and each component has its own change detector.
Angular can detect when data changes in the component, and can re-render the view to display the updated data. Angular makes sure that data in the component and the view are always in sync with each other.
Change detection means updating the view whenever data changed.
You can learn more on it from below video
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