Describe the digest cycle in AngularJS and its importance.
Describe the digest cycle in AngularJS and its importance.
9124-Jun-2024
Updated on 25-Jun-2024
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Describe the digest cycle in AngularJS and its importance.
Ravi Vishwakarma
25-Jun-2024The digest cycle is a loop that processes all the watchers in the
$scope
and checks for changes in their values. If a change is detected, it updates the view to reflect the new value. The digest cycle continues until all watchers report no further changes.How the Digest Cycle Works
Triggering the Digest Cycle
The digest cycle can be triggered in several ways:
$timeout
or$interval
services automatically trigger the digest cycle.$scope.$apply()
or$scope.$digest()
.Example
Explanation
counter
and the expression{{ counter }}
in the view.setInterval
function manually triggers the digest cycle using$scope.$apply()
.