maciejtrzcinski

['Poland', 'Germany', 'France', 'Russia', 'Japan'].sort();
// ["France", "Germany", "Japan", "Poland", "Russia"]

maciejtrzcinski

var objectArray = {a: 1, b: 2, c: 3};

for (const item in objectArray) {
  console.log(item)
}

maciejtrzcinski

const array = [1,2,3,4,5,6];

array.forEach(function(item, index, array) {
  console.log(`index ${index}, value ${item}, array ${array}`);
});

maciejtrzcinski

let index = 0;
const array = [1,2,3,4,5,6];

while (index < array.length) {
  console.log(array[index]);
  index++;
}