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@ngdoc error
@name $rootScope:infdig
@fullName Infinite $digest Loop
@description
This error occurs when the application's model becomes unstable and each `$digest` cycle triggers a state change and subsequent `$digest` cycle.
Angular detects this situation and prevents an infinite loop from causing the browser to become unresponsive.
For example, the situation can occur by setting up a watch on a path and subsequently updating the same path when the value changes.
```
$scope.$watch('foo', function() {
$scope.foo = $scope.foo + 1;
});
```
The maximum number of allowed iterations of the `$digest` cycle is controlled via TTL setting which can be configured via {@link ng.$rootScopeProvider $rootScopeProvider}.
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