Debugging with JavaScript
javascript:moveTo(0,0);resizeTo(1024,768); - change the current browser window to the specified size. Without the moveTo depending on the location of the browser window it may constrain itself by the edge of the screen.
javascript:alert(document.cookie); - Shawn's trick to show all cookies in browser.
Explains the console - http://buildinternet.com/2010/12/debugging-javascript-behind-the-scenes/
Useful JavaScript Tricks
Resolution
In the browser address bar,
To determine the actual size of the browser window, use the following properties:
Internet Explorer (backward-compatibility mode):
document.body.offsetWidth, document.body.offsetHeight
Internet Explorer (standards mode, document.compatMode=='CSS1Compat'):
document.documentElement.offsetWidth, document.documentElement.offsetHeight
Most other browsers:
window.innerWidth, window.innerHeight