It is a map() followed by flat() for a depth of one level. It is just more efficient than map when this behaviour is needed. developer.mozilla.org/en-US/docs/W...
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All JavaScript goodies. There is also flatmap.
There are many more! I believe flatmap is similar to map?
It is a map() followed by flat() for a depth of one level. It is just more efficient than map when this behaviour is needed.
developer.mozilla.org/en-US/docs/W...