Low-Level JavaScript Performance Best Practices (Crash Course)

Optimizing your JavaScript code can be tricky, as there are many pitfalls one can run into even before implementation. Let's learn about those in order to keep your JavaScript app performant.

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📚 Resources:

🕒 Timestamps:
(0:00) Intro
(0:45) String comparison
(8:34) Object shapes
(11:57) Array Object methods
(14:53) Object access
(16:16) Cache misses
(21:22) Large objects
(23:31) String mutations
(25:43) Specialization
(28:12) Data structures

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[klarafall]

Good examples. Also keeping the folder view open actually helps understanding what currently explained. 👌

[bombardo]

man this exactly what i needed. could you spoil us further and make us video about user auth on enterprise level that would be sick

[gamingwolf]

I was waiting for this video, thank you a lot
I am learning C#, i see some new concepts like domain entity, value objects and this stuff, can you explain hiw to do it in node ?

[NathanielBabalola]

Thank you, can you please drop the links to the jsbenchmarks ?

[Serjgap]

Speed optimization advices here are ok, but code style is very bad and inconsistent. You should have cleaned it up a bit instead of directly copying the article