code. compile. run. debug. share.
function map(list, action) {
// tworzymy pustą listę tablicową
const result = [];
// iterujemy po kolejnych elementach listy
for (const element of list) {
// dodajemy do wyniku rezultat akcji
result.push(action(element));
}
// zwracamy przetworzone elementy
return result;
}
const list = [1, 2, 3, 4, 5];
console.log(map(list, (value) => value * value));
console.log(list.map((value) => value * value));
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