forEach

forEach(map, fn)

Executes fn for each entry in map and returns the original map.

data-first

forEach(
    new Map([
        ["a", 1],
        ["b", 2],
    ]),
    (value, key) => console.log(key, value),
); // Map(2) { "a" => 1, "b" => 2 }

data-last

pipe(
    new Map([
        ["a", 1],
        ["b", 2],
    ]),
    forEach((value, key) => console.log(key, value)),
); // Map(2) { "a" => 1, "b" => 2 }