Which one handles exception automatically between $digest and $apply?

Question Posted / chaitanya

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Which one handles exception automatically between $digest and $apply?..

Answer / swati maheshwari

$apply handle exceptions.
scope.$digest() will only fire watchers on current scope, scope.$apply will evaluate passed function and run $rootScope.$digest().

First one is faster, as needs to evaluate watchers for current scope, second one is slower (needs to evaluate watchers for$rootScope and all it's child scopes).

When error occurs in one of the watchers and you use scope.$digest, it's not handled via $exceptionHandler service, so you need to handle exception yourself. scope.$apply uses try catch block internally and passes all exceptions to $exceptionHandler.

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