Some items you should konw : Graceful degradation : ensuring that your web pages still work without JavaScript Unobtrusive JavaScript : separating structure from behavior Backward compatibility : ensuring that older broswers dont choke on your scirpt…

1.前段性能的意义 对于访问一个网站,最花费时间的并不是后端应用程序处理以及数据库等消耗的时间,而是前端花费的时间(包括请求.网络传输.页面加载.渲染等).根据web优化的黄金法则: 80%的最终用户响应时间花在前端程序上,而其大部分时间则花在各种页面元素,如图像.样式表.脚本和Flash等,的下载上.减少页面元素将会减少HTTP请求次数.这是快速显示页面的关键所在. 根据著名的“2-5-8原则”,用户访问一个页面: 当用户能够在2秒以内得到响应时,会感觉系统的响应很快: 当用户在2-5秒之间得…

Other Intro Guide to Dockerfile Best Practices QuickJS Javascript Engine Questions for a new technology. CODE REVIEW: CREATE THE CULTURE, LEARN THE BEST PRACTICES Why are the username and password on two different pages? Best Practices for Event-Driv…

As you know, JavaScript is the number one programming language in the world, the language of the web, of mobile hybrid apps (like PhoneGap or Appcelerator), of the server side (like NodeJS or Wakanda) and has many other implementations. It’s also the…

原文来自于:http://flippinawesome.org/2013/12/23/45-useful-javascript-tips-tricks-and-best-practices/ 1 – Don’t forget var keyword when assigning a variable’s value for the first time. Assignment to an undeclared variable automatically results in a global…

JavaScript Best Practices (w3cschool) Local Variables: ·      总是在前面集中定义变量,(包括 for 的i).(strict mode) ·      并且赋值, 避免 undefined的变量 ·      视numbers, strings, or booleans 为基本元素, 不要当做objects. 因为obj会引来大开销 var x = "John";       (不要用:      var y = new S…

<45 Useful JavaScript Tips, Tricks and Best Practices> http://flippinawesome.org/2013/12/23/45-useful-javascript-tips-tricks-and-best-practices/ 1 – Don’t forget var keyword when assigning a variable’s value for the first time. Assignment to an unde…

JavaScript best practices JS最佳实践 0 简介 最佳实践起初比较棘手,但最终会让你发现这是非常明智之举. 1.合理命名方法及变量名,简洁且可读 var someItem = 'some string', anotherItem = 'another string', oneMoreItem = 'one more string'; let [ , , third] = ["foo", "bar", "baz"]; le…

24.1 可维护性 Maintainability24.1.1 什么是可维护的代码 What Is Maintainable Code?24.1.2 代码约定 Code Conventions 24.1.3 松散耦合 Loose Coupling24.1.4 编程实践 Programming Practices24.2 性能 Performance24.2.1 注意作用域 Be Scope-Aware24.2.2 选择正确方法 Choose the Right Approach24.2.3 最小…

原文是英文,链接: http://net.tutsplus.com/tutorials/JavaScript-ajax/24-JavaScript-best-practices-for-beginners/ 这篇是jquery的:http://yanhaijing.com/jquery/2013/12/05/%E9%AB%98%E6%95%88jQuery%E7%9A%84%E5%A5%A5%E7%A7%98/ 我自己在学习,算是自己为自己整理的笔记. 1:用===代替==(比较符) 如果两个操…