javascript flatmap method | array flatmap method | js flatmap method | js array methods #9
The flatMap() method in JavaScript is a combination of the map() and flat() methods. It first maps each element using a mapping function, and then flattens the result into a single array. The flatMap() method is often used when you need to transform each element in an array and flatten the result in one step.
Key points:
flatMap() performs shallow flattening, meaning it only flattens one level of nested arrays.
If the mapping function does not return arrays, flatMap() behaves the same as map().
flatMap() can be useful when working with complex data structures or when combining transformation and flattening tasks into a single operation.
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