midAngularJS
What is digest cycle in AngularJS?
Updated May 15, 2026
Short answer
Digest cycle checks and updates bindings between model and view.
Deep explanation
AngularJS runs dirty checking on $scope watchers to detect changes and update DOM.
Real-world example
Auto-updating dashboards.
Common mistakes
- Triggering too many watchers.
Follow-up questions
- What is dirty checking?