Wormholes in JavaScript

Computers are interesting machines. From a theoretical point of view, we tend to think of them as automated mathematicians, or, put another way, just really good at adding, multiplying, and working with numbers in general.
The automated mathematician, however, is a deceptive abstraction. It turns out the computer is much faster at certain kinds of math versus others. If you are writing JavaScript (or any other language) and care about performance for algorithms, it’s important to understand how computers work underneath.

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