Learn Enough JavaScript to Be Dangerous: Write Programs, Publish Packages, and Develop Interactive Websites with JavaScript

All You Need to Know, and Nothing You Don't, to Write Java Script for the Web and Beyond Java Script plays a key role in modern software development, not only because it is the only language that runs inside virtually all web browsers, but also because it has become widely used for back-end and general-purpose development as well. Although Java Script is a big language, you don't need to learn "everything" about it to get started--just how to use it efficiently to solve real problems.