Debug JavaScript As you would debug a C # program

Program

Faced with a large section of JavaScript script, always have a headache, can not find the way to debug him, if there is any error, always to analyze from the beginning, and then insert a lot of alert (), debugging is cumbersome.
In fact, visual Studio can set breakpoints for JavaScript scripts to debug. Just a lot of beginners like me don't use it.
You only need to open the Ie-tool-internet option-Advanced. Remove the "Disable script debugging" check.

You can then debug the breakpoint by setting it in JavaScript. However, because Visual Studio cannot insert breakpoints in an ASPX page, this method is only appropriate for a referenced JS file.

Hope this little trick works for you, hehe.
Http://www.cnblogs.com/bingxuefly/archive/2006/11/16/562379.html