The Event Loop in practiceDemonstrate the order of code execution. All synchronous code gets executed first, then the callback fn from the promise, and finally the callback from the timeout function.Shows microtask queue priority over the callback queue.In our example, the callback fn from the $2$nd promise takes awhile to execute because of the loop, which means the callback fn from the callback queue will have to wait even longer, making the $0$ timer irrelevant.