The Horrifying Truth About JavaScript Arrays

arrays web development data structures Programming horror Language design Programming fundamentals Js quirks Objects Mental models

Javascript Programming Frontend Webdev

1 hour ago 16,065 views 0 shares

The Horrifying Truth About JavaScript Arrays

javascript-memes, arrays-memes, objects-memes, programming-horror-memes, data-structures-memes | ProgrammerHumor.io

The moment when JavaScript's existential truth bomb hits you like a freight train. In JS, arrays are just objects where the keys happen to be sequential numbers! That calm developer on the left is about to have their entire worldview shattered with this realization.

It's that special kind of programming horror when you realize your mental model of a fundamental data structure was a comfortable lie. Next thing you know, you're trying myArray["1"] instead of myArray[1] just to prove to yourself that reality is broken.

Welcome to JavaScript, where arrays are objects, undefined is not null, and NaN !== NaN. Sweet dreams!

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