perf(fetch): optimize fillHeaders() key iteration #12287
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Reduces self-time by ~70x (~70ms => ~1ms on 1M iters) for...in filtered by hasOwnProperty yields the same set of keys as Object.keys()
lucacasonato
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Oct 1, 2021
ry
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Reduces self-time by ~70x (~70ms => ~1ms on 1M iters) for...in filtered by hasOwnProperty yields the same set of keys as Object.keys()
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Reduces self-time by ~70x (~70ms => ~1ms on 1M iters)
for...in filtered by hasOwnProperty yields the same set of keys as Object.keys()