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Promise.resolve and Promise.reject - Asynchronous JavaScript | JavaScript | Repovive

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JavaScript22 sections · 783 units18h total

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Promise.resolve and Promise.reject

Create already-settled promises

Create immediately settled promises with static methods:

// Immediately fulfilled
Promise.resolve(42).then(x => console.log(x));

// Immediately rejected
Promise.reject(new Error("Failed"))
  .catch(e => console.log(e.message));

Useful for returning consistent promise-based APIs.