获取多个checkbox的值后，经过处理如:"101,113,69," 但是还得再进一步去掉最后一个","。这可以采用很多的办法，我今天就想试试用js本身提供的几个基本的函数来完成。有了想法，就开了一个临时的文件测试了一下。下面是一个总结。-Access to multiple checkbox value after processing, such as:　101113,69,　but will have to further remove the last　.　This can be used many ways, today I wanted to try with js itself a function of a few basic to complete. With the idea, it opened a temporary file to test a bit. The following is a summary.