javascript return values in object as array using for in code example

Example 1: javascript object to array

//ES6 Object to Array

const numbers = {
  one: 1,
  two: 2,
};

console.log(Object.values(numbers));
// [ 1, 2 ]

console.log(Object.entries(numbers));
// [ ['one', 1], ['two', 2] ]

Example 2: array objects to array of one property

let result = objArray.map(a => a.foo);

Example 3: Getting One Value from an Array of Items

//Getting One Value from an Array of Items or sum of array
var numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
var total = numbers.reduce(function(total, current) {
    return total + current;
}, 0);

console.log(total);