Doc: Integrating the Custom Element and Shadow DOM polyfill

[Eric Bidelman]

For anyone interested, we posted a document on integrating the Custom Element polyfill and the Shadow DOM polyfill. Thanks Scott.

It's up on the wiki for CustomElements:

https://github.com/toolkitchen/CustomElements/wiki/Integrating-Custom-Element-and-Shadow-DOM-Polyfills

Hopefully we'll have a few more of these "design decision" documents int the future.

Eric

[mr....@gmail.com]

That was interesting and insightful, however I'm running intro troubles using the two polyfills together.

I'd like to stick closely to the standard implementations and use

var proto=Object.create(HTMLElement.prototype)

then register my custom element with that prototype and in the createdCallback create a shadow root.

This, unluckily, gives me

"TypeError: Cannot read property 'ownerDocument' of undefined

because hostWrapper.impl is undefined. :( 

[Scott Miles]

Do you mean something like this?

http://jsbin.com/iLopoQA/3/edit

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[Martin N.]

Thanks Scott,

that is indeed helpful. For those who experience trouble with using the different polyfills together, this is helpful: 

http://stackoverflow.com/questions/20846950/how-to-use-polymer-polyfills-together

2014/1/25 Scott Miles <sjm...@google.com>