1. console.log(obj1.getValue()); // A
• obj1 is an instance of Foo, and getValue is called directly on obj1, which has value as 42.
• Output: 42
2. console.log(obj2.getValue()); // B
• obj2 has getValue from obj1’s prototype, but this in getValue will refer to obj2 here, due to how this works in JavaScript.
• obj2.value is 24, so getValue returns 24.
• Output: 24
3. setTimeout(function() { console.log(obj1.getValue()); // C
• When the setTimeout callback runs, obj1.getValue() is called. By this time, the Promise has resolved and modified obj1.value to 84.
• Output: 84
4. obj2.value = 100; console.log(obj2.getValue()); // D
• obj2.value is updated to 100, so obj2.getValue() will return 100.
• Output: 100
5. Promise.resolve().then(() => { obj1.value = 84; console.log(obj1.getValue()); // E
• The Promise resolves before the setTimeout callback, changing obj1.value to 84.
• Output: 84
6. console.log(obj1.getValue()); // F
• This line runs synchronously before the Promise and setTimeout. At this point, obj1.value is still 42.
• Output: 42



A: 42
B: 24
C: 84
D: 100
E: 84
F: 42