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Q:
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); |
Answer: A) user_pref("javascript.classic.error_alerts", true);
Explanation:
Explanation: