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Loops are a great way to quickly repeat boring tasks. In this practice lesson, we'll build various Arrays, work with Random ...

Jake and Surma talk about how they optimized the image rotation code in their app Squoosh, how Hacker News taught them ...

Surma and Jake take a look at 'weak' JavaScript, specifically WeakMap, WeakSet, and the new and shiny WeakRefs. Surma ...