looping an array and returning index and value , for loop code example

Example 1: how to get value in array object value using for loop in javascript

const myArray = [{x:100}, {x:200}, {x:300}];

const sum = myArray.map(element => element.x).reduce((a, b) => a + b, 0);
console.log(sum); // 600 = 0 + 100 + 200 + 300

const average = sum / myArray.length;
console.log(average); // 200

Example 2: what is the modern syntax for iterating through array using for loop in javascript

let friends=["jony","tom","Tejas"];
       friends.forEach(
           function f(i){
               console.log(i);
           }
       )