changeStuff_PBR.js

function changeStuff(num, obj1, obj2){
  num = num * 10;
  obj1.item = “changed”;
  obj2 = {item: “changed”};
}

var num = 10;
var obj1 = {item: “unchanged”};
var obj2 = {item: “unchanged”};

changeStuff(num, obj1, obj2);

console.log(num); // 100
console.log(obj1.item); // ‘changed’
console.log(obj2.item); // ‘changed’