On Firefox, the console.time and console.profile functions provided by Firebug do this. On Chrome, you can use the chrome.interval object for the same purpose.

On Firefox, the console.time and console.profile functions provided by Firebug do this. On Chrome, you can use the chrome.interval object for the same purpose. http://getfirebug.com/wiki/index.php/Console_API http://getfirebug.com/wiki/index.php/Console_API https://github.com/eligrey/timer.js https://github.com/eligrey/timer.js