Why we need to clean up __proto__
jat at google.com
Wed Dec 28 10:00:05 PST 2011
On Wed, Dec 28, 2011 at 12:43 PM, John-David Dalton <
john.david.dalton at gmail.com> wrote:
> > At the expense of creating lots of garbage and slowing things down.
> A prefix is hardly `lots of garbage` and the perf hit is not a real
> concern (millions of ops/sec vs higher millions of ops/sec).
In GWT, we did exactly this prefix operation, and we found GC became a
problem on IE because of it, as each lookup or store in the map creates a
new garbage string.
John A. Tamplin
Software Engineer (GWT), Google
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