具體描述
If you're like most developers, you rely heavily on JavaScript to build interactive and quick-responding web applications. The problem is that all of those lines of JavaScript code can slow down your apps. This book reveals techniques and strategies to help you eliminate performance bottlenecks during development. You'll learn how to improve 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 programming tips to help your JavaScript run as efficiently and quickly as possible. You'll learn the best practices to build and deploy your files to a production environment, and tools that can help you find problems once your site goes live. * 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
用戶評價
##必備基礎
評分##現在是2013年，剛花瞭幾個小時把這本書通讀瞭一遍。書很薄，內容很直白，讀起來飛快。可以想像就2010年的時間點來說這本書裏很多建議挺靠譜的。但如果它今天再版的話，很多內容恐怕都要修正瞭，特彆是關於JavaScript核心語言性能的部分。而且總覺得這書有些細節上技術術語用詞不準確⋯不過不影響大的主題，問題不大。
評分##必備基礎
評分##即使從 分析 角度來說，也是好書。Analysing & profiling: algorithms, language statements, DOM, render, I/O, parallels, cache, regex & XML etc.
評分##1、讀這本書拉的戰綫實在夠長，垮瞭2個年。 2、現在瀏覽器版本迭代速度太快，書裏有些數據需要更新，但絲毫不影響這本書的價值。 3、#看彆人傢的工程師#，性能小組，可以做基礎研究。國內大多隻看工程産齣。 4、中英文版本都看瞭。英文原版給5星，翻譯的隻能給2星。
評分##調優寶書
評分##1、讀這本書拉的戰綫實在夠長，垮瞭2個年。 2、現在瀏覽器版本迭代速度太快，書裏有些數據需要更新，但絲毫不影響這本書的價值。 3、#看彆人傢的工程師#，性能小組，可以做基礎研究。國內大多隻看工程産齣。 4、中英文版本都看瞭。英文原版給5星，翻譯的隻能給2星。
評分##調優寶書
評分##小腳本，大世界
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