[whatwg] Script preloading

Boris Zbarsky bzbarsky at MIT.EDU
Tue Sep 3 12:42:54 PDT 2013

On 9/3/13 2:27 PM, Ryosuke Niwa wrote:
>  From the fact selector matching is slow.

Hold on.  Back up.

Selector matching can't be all that "slow" per se: browsers do it a 
_lot_.  Do you mean doing the equivalent of document.querySelectorAll 
can be slow?


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