Problem solving with JavaScript is a lot trickier now that its use has expanded considerably in size, scope, and complexity, so this book will provide readers with recipes for common tasks across the JavaScript world, whether they are working in the browser, the server, or a mobile environment. Why reinvent the wheel every time you run into a problem with JavaScript? This cookbook is chock-full of code recipes that address common programming tasks, as well as techniques for building components and apps that work in any browser. Just copy and paste the code samples into your project-you'll get the job done faster and learn more about JavaScript in the process. You'll also learn how to take advantage of the latest features in ECMAScript 2015 and beyond, including the new JavaScript data structures, Progressive Web Apps, generator functions, and more. You'll find recipes for using these features with JavaScript to build high-quality application interfaces.