Reflection of mechanics how execution contexts and Lexical Environment objects work

[dimau]

The book does not reflect the fundamental concepts related to the implementation of scopes in JS — mechanics of how execution contexts and Lexical Environment objects work. Here is an article on stackoverflow, which gives a fundamental understanding of this mechanic, I supposed to see something like this in this book - https://stackoverflow.com/questions/12599965/lexical-environment-and-function-scope

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Edition: 2nd

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Problem:
The book completely does not reflect the fundamental concepts related to the implementation of scopes in JS. I mean the mechanics of how execution contexts and Lexical Environment objects work. Here is an article on stackoverflow, which gives a fundamental understanding of this mechanics, I supposed to see something like this in this book - https://stackoverflow.com/questions/12599965/lexical-environment-and-function-scope

[getify]

If you'd rather read stackoverflow posts than my book, I wish you the best of luck.