[whatwg] Proposal for separating script downloads and execution
Boris Zbarsky
bzbarsky at MIT.EDU
Fri May 27 11:56:09 PDT 2011
On 5/27/11 1:10 PM, Aryeh Gregor wrote:
> Also, consider a third possibility: currently, the part of<script
> async> that's captured by the first timing in Ian's/Boris' example
> (whether it's parsing or compilation or whatever) blocks the main
> thread in browsers, even though it's async. (Right?)
This is true at the moment in Gecko+Spidermonkey. I can't speak for others.
> Suppose that for whatever reason, it wouldn't be easy for
implementers to move this
> work to a separate thread. (Boris/James/other implementers: is this
> true?)
Nothing involving threads is "easy".
In Gecko's case, there is a definite desire to try to do this, but no
timeframe yet.
-Boris
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