Get loop counter/index using for…of syntax in JavaScript

Question

Caution:

question still applies to for…of loops.> Don\'t use for…in to iterate over an Array, use it

Answer 1

To use for..of loop on array and retrieve index you can you use array1.indexOf(element) which will return the index value of an element in the loop. You can return both the index and the value using this method.

array1 = ['a', 'b', 'c']
for (element of array1) {
    console.log(array1.indexOf(element), element) // 0 a 1 b 2 c
}