Confusing error message on ngChange without ngModel

[Phil Mitchell]

When you try to use ngChange without ngModel (which I believe is a reasonable use case), the error message is rather confusing:

Error: No controller: ngModel

In this case, a better message would be:

Error: ngChange cannot be used without ngModel

Don't know if this can be easily changed, but in any case I thought this might help another newbie such as myself! Angular is fantastic!

[Justin Russell]

Just fyi the docs for ngChange do indicate that ngModel is required. But yeah, the message could be clearer.

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[Daniel Macias]

The docs specify it's required now:

http://docs.angularjs.org/api/ng.directive:ngChange

Out of curiosity, why IS it required to have ng-model?  We're building an app that has little 2-way binding.  I have to bind to some arbitrary value just to get it to work...

[Maximiliano Rico]

I'd like to use ng-change without ng-model too. 

Maxi