A.  user_pref(" javascript.console.open_on_error", false);

B.  user_pref("javascript.console.open_error ", true);

C.  user_pref("javascript.console.open_error ", false);

D.  user_pref("javascript.console.open_on_error", true);

1
Correct Answer :
user_pref("javascript.console.open_on_error", true);
Explanation :
No Explanation available for this question

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