Explore an ultra-lightweight JavaScript engine designed for Internet of Things devices in this 41-minute conference talk. Learn about JerryScript, a resource-efficient engine optimized for microcontrollers with limited memory and flash storage. Discover how it implements the full ECMAScript 5.1 standard while maintaining a small footprint, making it suitable for smartwatches and other IoT devices. Gain insights into JerryScript's architecture, memory consumption, compact bytecode, interpreter, and performance comparisons. Watch demonstrations of JavaScript code running on resource-constrained microcontrollers, including Pong and low-power demos. Understand the engine's future development plans and its potential impact on IoT device programming.