Ray's playground

摘要： 1. Global Variables　　There are three ways to define global variables. The first is to place a var statement outside of any function:　　The second is to add a property directly to the global object. The... 阅读全文

摘要： I want to avoid idioms that look like mistakes.　　I never allow switch cases to fall through to the next case. I once found a bug in my code caused by an unintended fall through immediately after havin... 阅读全文