JavaScript Conwert w ciągu elementów tablicy
const arr = [1, 2, 'a', '1a'];
const str = arr.toString();
console.log(str); //> "1,2,a,1a"
redeluni
const arr = [1, 2, 'a', '1a'];
const str = arr.toString();
console.log(str); //> "1,2,a,1a"