for loop of | איטרציה למערכים ב javascript. עם אינדקס

var abcArray = ['a', 'b', 'c'];

for (var i = 0;  array1.length > i ; i++) {
  console.log(array1[i]);
}
// expected output: "a"
// expected output: "b"
// expected output: "c"

const abcArray = ['a', 'b', 'c'];

for (let letter of abcArray) {
  console.log(letter);
}
// expected output: "a"
// expected output: "b"
// expected output: "c"

const abcArray = ['a', 'b', 'c'];

for (let [index, letter] of abcArray.entries()) {
  console.log(letter , index);
}
// expected output: "a 0"
// expected output: "b 1"
// expected output: "c 2"