Learn how to build web applications that can function without an internet connection in this 22-minute conference talk from JSConfUS 2013. Explore the importance of offline capabilities and discover practical solutions to overcome connectivity challenges. Gain insights into essential technologies like Application Cache, IndexedDB, and FileSystem API. Master the rules for survival in an offline environment, including living off the grid, managing supplies, and having adequate weaponry. Understand browser support for these technologies and learn how to implement an escape plan using navigator.online. Equip yourself with the knowledge to create resilient web applications that can thrive even during the "offline apocalypse."