基于JavaScript的变量作用域的辨析

Analysis on JavaScript-based of the Variables Scope

变量作用域（scope）是JavaScript脚本语言编程过程中令编程人员困扰的问题，通过对两种变量的特性从不同角度进行分析试验．讨论了如何控制变量作用域的有效方法。

The variables scope is the question in JavaScript which is puzzled the programmers. It discussed how to control variables scope method through to analyze and test the two kind of variable＇s characteristics from the different point of view.