Modules

a.js

import { myObject } from "./module.js";

// myObject is the SAME object you created on line 1 of module.js
// if you change the value of foo, it will change everywhere you imported it
  

b.js

import { myObject } from "./module.js";

// myObject is the SAME object you created on line 1 of module.js
// if you change the value of foo, it will change everywhere you imported it

module.js

export const myObject = {
  foo: "bar"
}