I feel that "view source" is one the best features of the web and JavaScript, so I never obfuscate/compile/minify my code. If someone is interested and takes the time to read my code, why deny them.

What are you doing in JS that is so special that no one should be able to figure out? Obfuscation wont protect you from someone ripping off your game or whatever and put it on their own site. Someone can do that just as easily with obfuscated files.

Good tips for decreasing marginal js file size with google closure compiler, but this doesn't really protect your code at all. It might make it a little bit harder for someone to immediately figure out what your code doing, but by know means will it stop anyone who isn't new to js. I have gotten used to going through competitors highly minified code to make sure they rant stealing any of my js