📊 JavaScript
Q. Which of the following is added to prefs.js when the console is automatically opened during JavaScript error?
  • (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);
💬 Discuss
✅ Correct Answer: (A) user_pref("javascript.console.open_on_error", true);

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

Explanation by: Mr. Dubey
is added to prefs.js when the console is automatically opened during JavaScript error.

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