I figured this out (related to 1). I needed to access elements contained
within my custom element which are in the Shadow DOM by using:
document.getElementsByTagName('polymer-custom-element')[0].shadowRoot
On Thu, Jan 23, 2014 at 2:21 PM, Scott Miles <[email protected]> wrote:
> I think we need some more details. In general, we expect
> `getElementsByTagName` et al to work for elements in the main document
> however they are generated.
>
> There are a few things that could make your test fail:
>
> (1) the elements are being generated in Shadow DOM. Shadow DOM is
> encapsulated, which is to say, removed from the view of things like
> 'document.getElementsByTagName'. This is it's actual purpose, to hide DOM.
>
> (2) You are calling 'document.getElementsByTagName' at the wrong time. You
> say 'after the document is loaded' but it's not clear what time you mean.
> The 'document' state has to do with the native parser and other features,
> but operations like data-binding and custom-element generation can happen a
> few ticks later.
>
> Can you make a jsbin, pastebin, or gist that shows more details of what
> you are doing?
>
>
> On Thu, Jan 23, 2014 at 10:53 AM, Junius Gunaratne <[email protected]>wrote:
>
>> I have a number of Polymer elements on my page that are generated
>> dynamically using <template repeat>. However, these elements don't seem to
>> be accessible using native DOM functions like getElementsByTagName
>> or getElementsByClassName even after the document has loaded and is ready.
>> I can access these custom Polymer elements with DOM functions by defining
>> them right on the HTML page. How can I access dynamically generated
>> elements?
>>
>> Follow Polymer on Google+: plus.google.com/107187849809354688692
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>
>
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