Explore functional programming concepts in JavaScript to simplify software development in this JSConf.Asia 2015 conference talk. Discover how to apply ES2015+ features to create a new style of writing JavaScript, focusing on simplicity through functions. Learn about immutable collections, pure functions, currying, composition, and communicating sequential processes. Gain insights into the differences between object-oriented and functional programming paradigms, and understand how functional concepts can enhance reliability and ease of construction in your projects. Delve into topics such as recursion with tail call optimization, transducers, and event handling using functional approaches. Join Isaac Johnston, a passionate advocate for functional programming, as he shares his experiences and demonstrates practical applications of these concepts in modern JavaScript development.