[Bug 21074] Need ability to load scripts without blocking onload

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21074

--- Comment #7 from Philip Tellis <philip.tellis@gmail.com> ---
@Lee this isn't just to make sure the onload event handler fires on time. 
Onload is also used as a proxy to determine when a page is ready from a
statistics gathering perspective.  There are also users who won't start
interacting with a page until the spinner stops spinning, which happens on
onload.

Regarding DOMContentLoaded, it still doesn't guarantee that scripts loaded with
the async attribute have finished downloading and executing, so you cannot
depend on any of the functionality they provide.

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Received on Friday, 22 February 2013 05:05:48 UTC