Why is the setter not working?

Question

JavaScript

Here is the implementation of the setter https://jsfiddle.net/L65ny67f/ doesn't run for some reason..

Answer 1

Because you get an infinite recursion, when you declare the property "a", inside the SETTER you again set the value, i.e. same setter calling...
https://jsfiddle.net/L65ny67f/1/

Answer 2

Because you don't just need to write "set") In your example, set is just the name of the method, obj.set
set must be written before the name of the method. Example