Neon animation demo, where's the magic ?

[Robert Stone]

I've been taking a look at the neon animation demos and can understand most of it, however I'm missing something with the declarative one:

http://morethanreal.github.io/neon-animation-demo/bower_components/neon-animation/demo/declarative/index.html

I can't see where the _onPrevClick/_onNextClick functions are getting bound to the relevant buttons leaving me to assume that some sort of magic is taking place ;)

Anyone care to point out the (not so) obvious ?

[Robert Stone]

So we can see the handlers being added in the github version, just not on the live page

https://github.com/PolymerElements/neon-animation/blob/master/demo/declarative/index.html

[Robert Stone]

So I guess this is related to https://www.polymer-project.org/1.0/docs/devguide/events.html#annotated-listeners

I'm just a bit surprised that polymer (?) is stripping out the 'on-click' attributes when it processes the template, at least that is what I assume is happening.

Up until now it has been fairly easy to see how a web app works using just the browser dev tools, things like this will make debugging mis-behaving apps a lot more 'interesting'.