FAQ: Code Challenges: Intermediate JavaScript - sortYears()


This community-built FAQ covers the “sortYears()” exercise from the lesson “Code Challenges: Intermediate JavaScript”.

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This exercise can be found in the following Codecademy content:

Web Development

FAQs on the exercise sortYears()

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const sortYears = arr => arr.sort((x, y) => y - x)

I don’t understand what " (x, y) => y - x " is doing, why would it return a year and not the value of y minus x?