let i in and let i of js code example

Example 1: javascript for of

const numbers = [1,2,3,4];

for(const item of numbers){
  console.log(item);
}

Example 2: for in and for of in js

const iterable = [10, 20, 30];

for (const value of iterable) {
  console.log("fef"+value);
}
// 10
// 20
// 30