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Roadmap to becoming a developer in 2022
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developer-roadmap/src/data/roadmaps/angular/content/zone-pollution@pRSR5PEbkJXA...

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Zone Pollution

Zone.js is a signaling mechanism that Angular uses to detect when an application state might have changed. In some cases, scheduled tasks or microtasks don’t make any changes in the data model, which makes running change detection unnecessary. Common examples are requestAnimationFrame, setTimeout and setInterval. You can identify change detection with Angular DevTools, and you can run code outside the Angular zone to avoid unnecessary change detection calls.

Visit the following resources to learn more: