Sys.Observer.makeObservable Method

Makes an object directly observable by adding observable methods to it.

Sys.Observer.makeObservable(target);

Parameters

Term	Definition
target	The object, array, or DOM element to make observable.

Returns

The observable object.

Remarks

The following operations are added to any target object by the makeObservable method to handle updates:

Sys.Observer.isUpdating Method

Sys.Observer.beginUpdate Method

Sys.Observer.endUpdate Method

Sys.Observer.setValue Method

When the target object is an array, the makeObservable method handles updates by also adding:

Sys.Observer.add Method

Sys.Observer.insert Method

Sys.Observer.remove Method

Sys.Observer.removeAt Method

Sys.Observer.clear Method

Sys.Observer.addRange Method

Sys.Observer.raiseCollectionChanged Method

Sys.Observer.addCollectionChanged Method

The following operations are added to any target object by the observer method to manage events:

Sys.Observer.addPropertyChanged Method

Sys.Observer.removePropertyChanged Method

Sys.Observer.raisePropertyChanged Method

Sys.Observer.addEventHandler Method

Sys.Observer.removeEventHandler Method

Sys.Observer.raiseEvent Method

The corresponding static methods described above become available as instance methods directly on the target object.

See Also

Reference

Sys.Observer Class

Other Resources

Language Reference