Did you do similar performance testing on the more usual operations of inserting and retrieving… | by Alex Feinman | Medium

As an example using my Macbook Pro, this is the average duration of size determination of a map with 10 million entries:

Stop Using Objects as Hash Maps in JavaScript

Johannes Baum

1 min readApr 19, 2020

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Did you do similar performance testing on the more usual operations of inserting and retrieving values? I did a while back and Object, frustratingly, came out well ahead of Map.

Alex Feinman

Written by Alex Feinman

Obligate infovore. All posts made with 100% recycled electrons, sustainably crafted by artisanal artisans. He/him/his.

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