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Kyle Simpson, author of the "You Don't Know JavaScript" book series, covers the 80/20 of functional programming in this course, Functional-Lite JavaScript. Get most of the benefit without all the crazy rules and academic language that's sometimes used to talk about simple concepts. Kyle shows a practical take on functional programming so you can use techniques like Pure Functions, Composability and Immutability, map/reduce/filter, and Recursion to improve your programs today.
