Reduce may be the most versatile function in JavaScript. You can use it to map an array, to count an array, to sum values, to find the min or max value, to find a specific record, to flatten an array, to convert from an array to an object, and the list goes on. This is a love story for reduce.

In this video we will use reduce in 10 different ways and also learn how to build our own reduce function to discover how it works underneath the hood.

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