Which of the following browsers support the usage of the JavaScript logging library log4javascript?

Answer: Option D

Since a major use of JavaScript logging is in browser testing, log4javascript is tested and works across all recent major browsers, including :
1. Internet Explorer 5+ for Windows
2. Mozilla, Firefox, Netscape
3. Google Chrome
4. Safari 1.3+
5. Opera 7.5+
6. WebKit
7. Konqueror 3.4+