Is using debounce with $scope.$apply a logical choice?

In my experience, I have come across a method that claims to decrease the number of $digest loops by incorporating debouncing into the $scope.$apply process. It looks something like this:

$scope.$apply = _.debounce($scope.$apply, 250);

Is this approach valid? What potential challenges could arise from implementing it?

Answer №1

Every decision involves a trade-off.

  • Choosing to debounce: Results in less frequent updates to the UI and a potential 300 ms delay between updating app state and reflecting changes in the user interface.
  • Avoiding debouncing: May lead to a sluggish UI due to an abundance of digest cycles per second. (The ideal approach is to minimize the number of bindings and watches in the application to reduce both the frequency and duration of digest cycles.)

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