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This fried my brainhttps://twitter.com/ReactEurope/status/742366823203672064 …

This idea is super obvious in retrospect but I’d never come up with it. Something like this takes a feeling of real mastery over your tools.

“I need to understand what this code is doing to compile it more efficiently. Why I don’t I build an interpreter so I know what it’s doing!”

Also, v8 has had this built-in since last year: http://v8project.blogspot.com/2015/09/custom-startup-snapshots.html …

Yea, AFAIK not very helpful for websites though :-)

Chrome has had a code cache for over a year: http://blog.chromium.org/2015/03/new-javascript-techniques-for-rapid.html …

This doesn’t save execution time from metaprogramming, just downloading/parsing/compiling