Burnham I. Secrets of the JavaScript Ninja (MEAP V8) 3ed 2025

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Burnham I. Secrets of the JavaScript Ninja (MEAP V8) 3ed 2025

Textbook in PDF format The secrets of modern web development using JavaScript and TypeScript! If you’re serious about web development, you need to be ninja-stealthy, efficient, and ready for anything! Secrets of the JavaScript Ninja, Third Edition will turn you into a killer JavaScript coder. In it, you’ll learn techniques for writing efficient code, applications, and libraries that you can apply to any JavaScript or TypeScript project. In Secrets of the JavaScript Ninja, Third Edition, you’ll learn how to Read and write idiomatic JavaScript and TypeScript code Utilize async constructs like promises and generators Catch bugs early in development with ESLint Write “codemods” to manipulate JavaScript code Understand how web frameworks like React work under the hood From websites to servers, mobile apps to enterprise software, JavaScript is everywhere. Secrets of the JavaScript Ninja has trained thousands of developers in the art of creating robust and performant JavaScript applications for almost any domain. Now back for its third edition, this new version of the acclaimed bestseller contains fresh coverage of TypeScript, web frameworks like React, as well as game-changing tools like ESLint. JavaScript’s popularity has taken it to all kinds of places: Web browsers, servers, mobile and desktop apps, game consoles, IoT devices—anywhere you look, you’re more than likely to find JavaScript code. That wide range of applications has led to a variety of runtimes, environments that can execute JavaScript code. Node.js is the most well-known non-browser runtime, though it faces increasing competition from the likes of Deno and Bun. Under the hood, every runtime uses an engine to convert JavaScript code to machine instructions that the CPU can run. Modern JavaScript engines use just-in-time compilation to optimize code as it runs, and those engines are constantly being improved to achieve higher performance and support new ECMAScript features. Two notable engines are V8, which powers Google Chrome and Node.js; and javascriptCore, which powers Safari and Bun. In general, you shouldn’t have to worry about which engine will be executing your code. However, for the sake of writing efficient JavaScript, it’s helpful to have some knowledge of how your code will translate to machine code. Throughout the book, we’ll provide tips for writing code that performs well in modern JavaScript engines. Preface welcome JavaScript_is_everywhere Using_modern_JavaScript_tools Working_with_Node.js_and_npm Building_web_applications First-class_functions_for_the_novice: definitions_and_arguments Functions_for_the_journeyman: understanding_function_invocation Functions_for_the_master: closures_and_scopes Functions_for_the_future: promises_and_generators Appendix_A._Setting_up_Node.js_and_npm