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Side effects

Side effects: Functional-Lite JavaScript
Side effects: Functional-Lite JavaScript

Pure functions are at the heart of functional programming. The first step in learning how to write pure functions is to understand what makes a function impure or have side effects. For example, a function that alters variables outside of its scope is an impure function.

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Skill Level Intermediate
3h 9m
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Skills covered in this course
Web Web Development JavaScript

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