all

const promise1 = Promise.resolve(3);
const promise2 = 42;
const promise3 = new Promise((resolve, reject) => {
  setTimeout(resolve, 100, 'foo');
});

Promise.all([promise1, promise2, promise3]).then((values) => {
  console.log(values);
});
// expected output: Array [3, 42, "foo"]

reject

function resolved(result) {
  console.log('Resolved');
}

function rejected(result) {
  console.error(result);
}

Promise.reject(new Error('fail')).then(resolved, rejected);
// expected output: Error: fail

resolve

const promise1 = Promise.resolve(123);

promise1.then((value) => {
  console.log(value);
  // expected output: 123
});

more methons

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise