This question is so basic, yet I have no idea of the answer.

Why screen object when stringified returns empty?

Does this mean JSON.stringify() needs read/write access to the input?

let a = {foo: 'one', bar: 2};


console.log(JSON.stringify(a));
console.log(JSON.stringify(screen));

This question is so basic, yet I have no idea of the answer.

Why screen object when stringified returns empty?

Does this mean JSON.stringify() needs read/write access to the input?

let a = {foo: 'one', bar: 2};


console.log(JSON.stringify(a));
console.log(JSON.stringify(screen));

• javascript

• 1 @Variable developer.mozilla/en-US/docs/Web/API/Window/screen . If it was never declared you'd get an error about it being undefined. – ADyson Commented Jul 27, 2018 at 11:10
• 7 Possible duplicate of Stringify DOMWindow object – user202729 Commented Jul 27, 2018 at 11:11
• @ADyson Thanks, didn't knew about this, learned something new :D.