A) user_pref(“javascript.classic.error_alerts”, true);
B) user_pref(“javascript.classic.error_alerts “, false);
C) user_pref(“javascript.console.open_on_error “, false);
D) user_pref(“javascript.console.open_on_error “, true);
A) user_pref(“javascript.classic.error_alerts”, true);
B) user_pref(“javascript.classic.error_alerts “, false);
C) user_pref(“javascript.console.open_on_error “, false);
D) user_pref(“javascript.console.open_on_error “, true);