const sym1 = Symbol()
const sym2 = Symbol()

const obj1 = {}
const obj2 = {}

console.log(sym1 === sym2)
console.log(sym1 === sym1)

console.log(obj1 === obj2)
console.log(obj1 === obj1)

const test = {}

test[sym1] = "Foo"
test[sym2] = "Bar"

test[obj1] = "Baz"
test[obj2] = "Qux"

console.log(test[sym1])
console.log(test[sym2])

console.log(test[obj1])
console.log(test[obj2])

console.log(test)