Get better performance when using JavaScript files

One of the greatest things you can find out if you look deep into Microsoft Ajax framework is that there are 2 copies of each JS file that is part of the Assembly: System.Web.Extentions that is the main assembly in the framework. If the reflector if looks like this:

There are 2 copies of every js file since one is for debug and one is for release. If you take a closer look and open the debug one you will find out that the debug version is with comments, line breaks and a very readable code. The non debug mode file is with no comments , not line breaks and very trimmed.To understands here is a part of this file:

So this gives a very good ideas to us web developers. Whenever we have a bandwidth problems or whenever we wish to get better performance by minimizing the size of our js files. So how do we do this? Very simple. check out this web site JSMIN and download the utility that does exactly that.

This utility was built by Douglas Crockford.

Enjoy.