JS Built-ins
Promisebeginner

Promise.resolve() β€” instanceof

πŸ“– Usage Example
const p = new Promise((resolve, reject) => {
  setTimeout(() => resolve(42), 100)
})
p.then(v => console.log(v))  // β†’ 42

The Promise constructor takes an executor function with resolve and reject callbacks to create a new promise.

Promise.resolve()

Promise.resolve(42) instanceof Promise is true.

Challenge: Verify Promise.resolve creates a Promise.

πŸ’‘ Hints (1)
  • β€’ Promise.resolve() always returns a Promise.