👉 A promiseless function is a JavaScript function that returns `undefined` when called. This means that if you try to call an instance of this promise, it will always return `undefined`, even if the function has been executed successfully. For example: ```javascript function myPromise() { return new Promise((resolve) => { resolve(1); }); } myPromise().then(console.log); // undefined ``` In this case, no matter how many times you call `my