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Array API: array.flatMap()

array.flatMap() maps over each element and flattens it afterwards

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array.flatMap() maps over each element and flattens it afterwards

Links

Description of array.flatMap() on MDN.
Blog post on flat and flatMap, on the v8 blog.
"#SmooshGate FAQ"
".flatMap(): mapping to zero or more values " by Axel Rauschmayer