[whatwg] Proposal for separating script downloads and execution

[Will Alexander]

On Feb 15, 2011 6:34 PM, "Nicholas Zakas" <nzakas at yahoo-inc.com> wrote:
>
> 1) Should the default behavior for dynamic script nodes be to start
downloading the file upon the setting of src and only execute when added to
the document (IE's behavior) or not?

Could the default behavior be defined by the user-agent and the value of
this property reflect that?  So in IE the def value would be true, but false
in other browsers.

> 2) Can the proposals on the table be used to better detect the correct
behavior from #1?

> 3) Are the proposals close to being feasible with, perhaps, some changes?
Or are they completely outlandish and have no possibility of reaching
implementation?

In this bug report Boris Zbarsky expresses concern that prefetching without
creating memory leaks is difficult.

https://bugzilla.mozilla.org/show_bug.cgi?id=621553

>