How to use $scope.$Watch and $scope.$Apply in angularjs?
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Answer / Kiran Chhabra
$scope.$watch is used to watch for changes in a scope property and execute a function when the watched property changes. $scope.$apply is used to trigger a digest cycle, allowing AngularJS to update the view based on new data or changed properties. It should generally not be necessary to call $scope.$apply manually in most scenarios.
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