See Where You’re At with console.log
It’s also worth mentioning here that non-standard console.dir can be very handy, with its advantages being more obvious in certain browsers than others.
See Where You’ve Come From with console.trace
Feel at Home with Constructor Functions
toString() methods are especially helpful when used in conjunction with the just-discussed console.log.
Another framework that has been popular of late, including among Java developers, is AngularJS.
IDE Familiarity Might Reduce Homesickness