What actually is Computed Property names?

Question

Hello! I want to know details about Computed property names and in what type of application we can use this thing?

Answer 1

Oh. Okay. Computed property names are usually enclosed in square brackets.

var obj = {
['a'.repeat(5)]: 'hello'
}

It will be referenced like this:

obj.aaaaa // hello

Or

obj['aaaaa'] // hello

Or

obj['a'.repeat(5)] // hello

Answer 2

No! I am asking in JavaScript