Firefox fans take note: A just-released report from the security company Secunia found that Firefox is far more vulnerable than Opera, Safari, and Internet Explorer — and by a wide margin. In 2008, it had nearly four times as many vulnerabilities as each of those browsers.

If you are targeting your web application for Safari users and also want to make sure your JavaScript code is cross-browser, how can you check for any JavaScript errors on that browser?
It can be done by activating the Develop menu (which is disabled by default) and picking the Show Error Console option (similar to Tools [...]