index in map function javascript start from 1 code example
Example: es6 map usin index
const array = [1, 2, 3, 4];
const map = array.map((x, index) => {
console.log(index);
return x + index;
});
console.log(map);const array = [1, 2, 3, 4];
const map = array.map((x, index) => {
console.log(index);
return x + index;
});
console.log(map);