why color not execute when I type document.write ( p1.color) but age will be executed

Question

https://www.sololearn.com/learn/JavaScript/1152/

Answer 1

because you have saved the property name as favColor and you are accessing it as color,

try
p1.favColor

Answer 2

Can you show your code to us so we can see what is the problem.

Answer 3

https://code.sololearn.com/WNdG3v8rB5eI/?ref=app

Answer 4

You can either replace p1.color with p1.favColor
Or you can change the property favColor to color.