Which of the following is added to prefs.js when the console is automa – InterviewSolution

InterviewSolution

1.	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);
Answer» Correct choice is (a) user_pref(“javascript.console.open_on_error”, true); Explanation: The prefs.js file, located in the profile folder, is used by Firefox and other Mozilla-based applications to store settings. For instance, when you create a new e-mail account in Thunderbird, the account name and server settings will be stored in the prefs.js file in your Thunderbird profile folder. The code :

Discussion

No Comment Found

Related InterviewSolutions

What will happen if you set the private flag as 1?(a) Test will be run only by the administrator(b) Test will not be run(c) Test is public(d) Test is not displayed in public
When the “end” event fires on EOF when no more data will arrive, which function is called?(a) s.on(“data”,f);(b) s.on(“end”,f);(c) s.on(“error”,f);(d) s.on(“default”,f);
Which of the following gets converted to DOM elements by the rendering engine?(a) Tokens(b) Strings(c) Address(d) Characters
When does the browser stop rendering the HTML?(a) Inline JavaScript block(b) External JavaScript file(c) Both Inline JavaScript block & External JavaScript file(d) External HTML file
What is the method used to pause “data” events?(a) s.pause();(b) s.stop();(c) s.halt();(d) s.wait();
What is the purpose of a Rendering Engine?(a) Parsing objects in page(b) Drawing all objects in page(c) Both Parsing & Drawing all objects in page(d) Rendering object
Which among the following POSIX signals generate events?(a) SIGDOWN(b) SIGFLOAT(c) SIGINT(d) SIGSHORT
Why do we use Adobe Illustrator along with R?(a) Collect the relevant data(b) Format the chart and to correct the errors(c) Tighten and format the chart(d) Ingest and process the chart
How do we create and preload an image object in JavaScript?(a) Use new keyword(b) Call Image()(c) Both Use new keyword and Call Image()(d) Set image()
Which of the following are not the properties of a canvas object?(a) fillStyle(b) strokeStyle(c) lineWidth(d) lineSize