I have already checked out the solution here:
My question is about Angular's $digest cycle - when does it decide to run? Whenever I modify a property in the $scope, the change seems instant. Is this due to some sort of dirty-checking mechanism that occurs every 50 milliseconds or so?
Additionally, I am curious if Angular makes use of Object.watch() at all.
Angular's $digest cycle is not time-based. It is triggered only by specific events:
In addition to these cases, there may be others unknown to me. I now realize that values in $scope cannot change without one of these events occurring. Therefore, Angular initiates a $digest cycle whenever such events take place, rather than on a schedule.
It is also worth noting that Object.watch() is not used in Angular, as it is intended for debugging purposes only.
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