This isn't a problem if you generate source maps. Of course, if you have to support and debug old browsers, it's a different story. A quick google search got m

This isn't a problem if you generate source maps. Of course, if you have to support and debug old browsers, it's a different story. A quick google search got me to SO: http://stackoverflow.com/a/807161 http://stackoverflow.com/a/807161 results seem pretty significant. Besides, the worse your connection is, the more you will appreciate these techniques.