Caching And Debugging - Study Mode

[#116] What is the code snippet to change the class and let the stylesheet specify the details?
Correct Answer

(A) timestamp.className = "highlight"

Explanation

Solution: The above code snippet changes the class and lets the stylesheet specify the details.

[#117] Which of the following is added to prefs.js when the console is automatically opened during JavaScript error?
Correct Answer

(A) user_pref("javascript.console.open_on_error", true)

Explanation

Solution: is added to prefs.js when the console is automatically opened during JavaScript error.