JavaScript Source Maps, debug minified JS with ease

We know that one way to improve a website's performance is the combine and minify the Javascripts of it. However, it has a drawback. You can no longer easily debug the javascript using tools like firefox or webkit developer tools. Because of is "Source Maps" is introduced. It will help Chrome's developer tools to correctly seperate the minified javascript into their original file before minification inside the dev tools, so you can apply breakpoint to debug all your code even on production code. However, currently for it to work your need to use google's closure compiler to process your javascripts. You can read more how it works from here : Introduction to JavaScript Source Maps - HTML5 Rocks