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sametmax

Learning just the js language takes one day if you are an experienced programmer. It's a very small language.

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How is JavaScript a small language at all? It’s comparable to Java in the number of language features.

Java Reference https://docs.oracle.com/javase/specs/jls/se7/html/index.html

JS Reference https://www.ecma-international.org/publications/files/ECMA-S...

It's not even on the same planet.

In JS you have a very small number of types, keywords and a ridiculously small stdlib.

I'm not sure what to make of your comment.

There is a lot of meta-knowledge buried in using those few features that he is probably referring to. Knowledge of language features is one thing, knowledge of when to use them is another

That's true for every language.

The only hard part with JS is the accumulation of bad design decision that means you gotta avoid or hack around part of the language.

The rest is just a basic dynamic language with some async semantics. Nothing crazy.

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