1. user_pref("javascript.console.open_on_error", true);
  2. user_pref("javascript.console.open_error ", true);
  3. user_pref("javascript.console.open_error ", false);
  4. user_pref(" javascript.console.open_on_error", false);
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1 Answers

Answer: Option 1

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

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