In this video we dive under-the-hood of the new resumable JavaScript framework, Qwik. How does it accomplish some of it's primary new innovations, like resumability and lazy-loading with serialized closures? We dive into the source code to take a look. Qwik: https://qwik.builder.io Patreon: https://patreon.com/tonyalicea Chapters 00:00 Intro 00:23 Basic Component 04:15 Qwik Source Code: The Optimizer 05:40 The '$' , the Optimizer, and Lazy Loading 07:40 Qwik Source Code: Qwikloader 11:12 Synthetic Events and Qwikloader 13:18 Lazy Loading and the Closure Problem 16:38 Qwik and Closures 18:28 Resumability 22:55 User-Guided Lazy Loading 24:37 Conclusion