JavaScript has come a long way. It may have seemed like a “toy language” at first, but it has evolved into the powerful dominant scripting language of the Web. JavaScript is now found not only in the browser, but on the server, and it’s even moving into the world of hardware. Staying on top of the latest methodologies, tools, and techniques is critical for any JavaScript developer, whether you’re building single-page web apps with frontend frameworks or building a RESTful API in Node.js.

This free ebook gets you started, bringing together concepts that you need to understand before tackling your next modern JavaScript app. With a collection of chapters from the O’Reilly JavaScript library’s published and forthcoming books, you’ll learn about the scope and challenges that await you in the world of modern web development.

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