We'll need some additional information.

What version of polymer are you using?
Are you loading platform.js as the first script? (this is a requirement)

It'd be helpful if you could post a relevant snippet of the page or, better
yet, a link to the source.


On Fri, May 23, 2014 at 9:09 AM, Alex Miłowski <[email protected]> wrote:

> I have an experimental web component and  I tried just using platform.js
> to enable this Web component in other browsers with limited success.
>
> In Safari, I just get an error.  In fact, it doesn't even try to load the
> import.  It looks like it fails before ever getting started.
>
> Here's the error:
>
> [Error] Error: Assertion failed
> c (platform.js, line 12)
> b (platform.js, line 13)
> insertBefore (platform.js, line 13)
> (anonymous function) (platform.js, line 14)
>
> Interesting how copy-paste of the stack trace gives me different locations
> even though I have platform.js.map and see individual file references in
> the console.
>
> The trace is really:
>
> events.js:405
> events.js:405
> Node.js:29
> Elements.js:13
> ShadowCSS.js:685
>
> Any ideas?
>
> --Alex Miłowski
>
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