Explore four advanced asynchronous patterns in JavaScript, starting with ES6 Promises and generators, progressing to ESNext Async/Await, and concluding with RxJS. Learn when to apply each pattern and the specific problems they address. Dive into the event loop, asynchronous patterns, and observables through practical demonstrations using an Express server. Discover techniques for error handling, unsubscribing, canceling requests, and managing asynchronous operations. Gain valuable insights to enhance your ability to write efficient and effective asynchronous JavaScript code in this comprehensive 41-minute talk by Jonathan Mills, a renowned Pluralsight author and JavaScript expert.