Variables As Properties When you declare a global JavaScript variable, what you are actually doing is defining a property of the global object . If you use var to declare the variable, the 当你声明一个全局变量,实际上,你是给全局对象定义了一个属性.如果你是用 var 声明的变量, property that
JS全局变量是如何工作的? <script> const one = 1; var two = 2; </script> <script> // All scripts share the same top-level scope: console.log(one); // 1 console.log(two); // 2 // Not all declarations create properties of the global object: console.lo
作者Alistair Cockburn, Crystal Clear的7个成功要素,写得挺好. 敏捷方法的关注点,大家可以参考,太激动所以转载了. 原文:http://www.informit.com/articles/article.aspx?p=345009 Property 1. Frequent Delivery The single most important property of any project, large or small, agile or not, is that