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docs($rootScope): fix incorrect docs about how dirty checking is done

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Paul Jolly
2014-05-29 12:42:10 +01:00
committed by rodyhaddad
parent 6341224d60
commit 11170aee42
1 changed files with 8 additions and 4 deletions
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src/ng/rootScope.js
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@@ -223,10 +223,14 @@ function $RootScopeProvider(){
* {@link ng.$rootScope.Scope#$digest $digest()} and should be idempotent.)
* - The `listener` is called only when the value from the current `watchExpression` and the
* previous call to `watchExpression` are not equal (with the exception of the initial run,
* see below). The inequality is determined according to
* {@link angular.equals} function. To save the value of the object for later comparison,
* the {@link angular.copy} function is used. It also means that watching complex options
* will have adverse memory and performance implications.
* see below). Inequality is determined according to reference inequality,
* [strict comparison](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comparison_Operators)
* via the `!==` Javascript operator, unless `objectEquality == true`
* (see next point)
* - When `objectEquality == true`, inequality of the `watchExpression` is determined
* according to the {@link angular.equals} function. To save the value of the object for
* later comparison, the {@link angular.copy} function is used. This therefore means that
* watching complex objects will have adverse memory and performance implications.
* - The watch `listener` may change the model, which may trigger other `listener`s to fire.
* This is achieved by rerunning the watchers until no changes are detected. The rerun
* iteration limit is 10 to prevent an infinite loop deadlock.