Explore the world of ECMAScript 6 from a security perspective in this 57-minute conference talk from nullcon Goa 2015. Delve into the development, implementation, and implications of ES6 for web security. Gain insights into new code constructs, attack vectors, and mitigation strategies. Unravel complex terminology like expression interpolation, proper tail calls, computed properties, spread parameters, modules, and tagged template strings. Learn about JavaScript history, syntax extensions, standardization, and new features such as arrow functions and generator functions. Discover how ES6 can be used to bypass sandboxes, exploit templating strings, and leverage symbols. Examine security concerns related to reflection and mixed content. Leave with a comprehensive understanding of ECMAScript 6's impact on web security and how to address potential vulnerabilities.