High Performance JavaScript

If you're like most developers, you relyheavily on JavaScript to build interactive and quick-responding webapplications. The problem is that all of those lines of JavaScript code canslow down your apps. This book reveals techniques and strategies to help youeliminate performance bottlenecks during development. You'll learn how toimprove execution time, downloading, interaction with the DOM, page life cycle,and more.

Yahoo! frontend engineer Nicholas C. Zakas and five other JavaScript experts --Ross Harmes, Julien Lecomte, Steven Levithan, Stoyan Stefanov, and Matt Sweeney-- demonstrate optimal ways to load code onto a page, and offer programmingtips to help your JavaScript run as efficiently and quickly as possible. You'lllearn the best practices to build and deploy your files to a productionenvironment, and tools that can help you find problems once your site goeslive.

• Identify problem code and use faster alternatives to accomplish the same task
• Improve scripts by learning how JavaScript stores and accesses data
• Implement JavaScript code so that it doesn't slow down interaction with the DOM
• Use optimization techniques to improve runtime performance
• Learn ways to ensure the UI is responsive at all times
• Achieve faster client-server communication
• Use a build system to minify files, and HTTP compression to deliver them to the browser

---