Many people are probably familiar with the fact that most browsers allow Javascript code to be entered in the address field. That’s the magic behind bookmarklets, which simply spare the user the hassle of manually typing long, convoluted and obfuscated Javascript statements. While it’s usually pointless to do so, there is one case in which it makes perfect sense: resizing the browser window to an arbitrary size, in order to test what a website looks like. Essentially, by setting the browser window to a size such as 1024 x 768, one can have a relatively reliable idea of what the current website would look at that screen resolution. In truth, one would have to take the graphical elements of the operating system in question, but it’s usually a fine way to get an idea. The code to do so is very simple: window.resizeTo(width, height); Therefore, if we want to set…