angularjs取Sevice和directive的引用

取Sevice和directive的引用

3: Grab any Services

We can grab a reference to any service using the injector function of element where ngApp was defined (or grab the $rootElement manually if using angular‘s bootstrap method):

> angular.element(‘html‘).injector().get(‘MyService‘)
-> Object {undo: function, redo: function, _pushAction: function, newDocument: function, init: function…}

We can then call methods on that service just like we could if we injected it.

4: Access controller for directive

Some directives define a controller with certain additional (often shared) functionality. To access the instance of a controller for a given directive from the console, just use the controller() function:

> angular.element(‘my-pages‘).controller()
-> Constructor {}

This last one is more advanced and not used as frequently.

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