generator.js

function* genFunction() {
  yield 'Hi there!';
  yield 'Is this working?';
  yield 'Bye 👋';
};

const ourMethod = genFunction();

ourMethod.next();
// {value: "Hi there!", done: false}

ourMethod.next();
// {value: "Is this working?", done: false}

ourMethod.next();
// {value: "Bye 👋", done: false}

ourMethod.next();
// {value: undefined, done: true}