for const of index code example
Example 1: for of get index
for (const v of ['a', 'b', 'c']) {
console.log(v)
}
// get index
for (const [i, v] of ['a', 'b', 'c'].entries()) {
console.log(i, v)
}
Example 2: javascript for...of index
for (const [i, v] of ['a', 'b', 'c'].entries()) {
console.log(i, v)
}