How to write data from a variable to JSON?

Question

JavaScript

there is JSON:

{
  "Nick": "Радость",
  "Level": 0,
  "Mojo": "0"
}

and there are variables with the same names, how can I make it so that when the variable is updated, it will pass the data to this JSON? and did the Nick, Level and Mojo values ​​change?

Answer 1

Files cannot be written from the browser.

Answer 2

You cannot pass a reference to the properties of variable objects.