JS Quiz: Easy: Destructuring defaults and null

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1

What gets logged?

const { x = 5 } = { x: null };
console.log(x);
  • 5
  • null
  • undefined
  • TypeError
0 voters
2

It logs null — the default only applies when the property is undefined, not when it’s present-but-null.

const { x = 5 } = { x: null };
console.log(x); // null
3

JS Quiz answer: Option 2 (B).

Correct choice: null

Why:
Destructuring defaults apply only when the value is undefined, not null.

Go deeper:

4

Interesting