JavaScript: The Definitive Guide

Technical Books
In Progress
My notes & review of JavaScript: The Definitive Guide by David Flanagan
Author

Tyler Hillery

Published

April 12, 2025


Notes

Chapter 03: Types, Values and Variables

I find it interesting that null is of type object yet other special values like undefined, Infinity and NaN are just global constants.

Does Array.from() do a deep copy? By deep I mean if it has array of arrays or object with values as objects.

Review