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Accumulate Complex Objects With the Reduce Method

Many people don’t realize the power and potential of the Array.reduce (MDN) method. What makes it so powerful is its ability to take in an array containing any values and then return almost any type of data. Because of this flexibility, I want to highlight one technique you can use to traverse an array containing an infinite number of nested objects. You’ll learn how to accumulate all objects and return a single object you can use to reference any entry by ID.