Monthly Archives: February 2010

Delete in JavaScript is a peculiar beast. Witness: typeof x; // outputs undefined delete x; // outputs true even though x is not defined typeof x; // outputs undefined So, it is possible to delete an undefined variable in the … Continue reading →

A common mistake amongst new (and even experienced) JavaScript developers is confusing the null object in JavaScript with undefined. In fact, I’m willing to bet that most are not aware that the undefined keyword exists, much less that it is … Continue reading →

My first computer did not have a hard drive. We used 5¼-inch inch floppy disks, swapping them in and out, to get a program running. Occasionally, a floppy disk would bork and we’d have to restart the entire process. Floppy … Continue reading →