MediumEvent Loop & Promises💻 Output Question

Promise chain passes values

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Hint

Promise chains pass return values downstream. Each .then transforms the value.

What does this output?

Promise.resolve(2)
  .then(v => v * 3)
  .then(v => v + 4)
  .then(v => console.log(v));

Correct Output

10

Why this output?

Explanation: Each .then receives the return value of the previous. 2*3=6, 6+4=10.

Key Insight: Promise chains pass return values downstream. Each .then transforms the value.

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