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53. Array.prototype.flatMap()
Maps each element using a mapping function, then flattens the result into a new array.
1 min read Chapter 53 of 99
JavaScript
Array.prototype.flatMap()
flatMap lets you map and flatten an array in one go.
"I want to transform my data and simplify it at the same time."
`flatMap` first applies a mapping function to each element in an array, then flattens the result into a new array. This is useful for handling nested arrays or structured data.
"I want to transform my data and simplify it at the same time."
`flatMap` first applies a mapping function to each element in an array, then flattens the result into a new array. This is useful for handling nested arrays or structured data.