Answer
A promise represents future completion. Chaining uses .then() and .catch() for sequential async workflows.
Quick Answer
Promise chaining: fetch(url).then(r => r.json()).then(data => process(data)).catch(err => handleError(err)). Each .then() receives the resolved value of the previous Promise. .catch() at the end handles any rejection in the chain. Return a value from .then() to pass it to the next link; return a Promise to wait for it.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ