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  1. Which of the following is added to prefs.js when the console is automatically opened during JavaScript error?

    2. A.

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

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

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

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

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    Answer : Option A

    Explanation :

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

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