Machine Learning MCQ Questions with answers and solutions Page 40

Q. Which is the method that operates on the return value of $()?

(A) show()
(B) css()
(C) click()
(D) done()

💬 Discuss

✅ Correct Answer: (B) css()

Explanation: The css() method operates on the jQuery object returned by $(), and returns that same object, so that the show() method can be invoked next in a compact “method chain.”

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Consider the following code snippet
script src="jquery-1.4.2.min.js"></script>
What does the min mean?

(A) Minimised version
(B) Miniature
(C) Minimised parameters
(D) Minimum value

💬 Discuss

✅ Correct Answer: (A) Minimised version

Explanation: The min means the minimised version of the library, with unnecessary comments and whitespace removed, and internal identifiers replaced with shorter ones.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which of the following is a heavily overloaded function?

(A) jQuery()
(B) $()
(C) script()
(D) Both jQuery() and $()

💬 Discuss

✅ Correct Answer: (D) Both jQuery() and $()

Explanation: The jQuery() function (a.k.a) $()) is the most important one in the jQuery library. It is heavily overloaded, however, and there are four different ways you can invoke it.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which of the following is an equivalent replacement of $(document).ready(f)?

(A) jQuery(f)
(B) $(f)
(C) #(f)
(D) None of the mentioned

💬 Discuss

✅ Correct Answer: (B) $(f)

Explanation: The equivalent replacement of $(document).ready(f) is $(f).

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which of the following is a utility function in jQuery?

(A) jQuery.each()
(B) jQuery.parseJSON()
(C) jQuery.noConflict()
(D) None of the mentioned

💬 Discuss

✅ Correct Answer: (C) jQuery.noConflict()

Explanation: jQuery.noConflict() is the utility function in jQuery.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which of the following is used for parsing JSON text?

(A) jQuery.each()
(B) jQuery.parseJSON()
(C) jQuery.noConflict()
(D) None of the mentioned

💬 Discuss

✅ Correct Answer: (B) jQuery.parseJSON()

Explanation: jQuery.parseJSON() is used for parsing JSON text.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which property helps to initiate the HTTP requests?

(A) request
(B) location
(C) send
(D) none of the mentioned

💬 Discuss

✅ Correct Answer: (B) location

Explanation: It is possible for JavaScript code to script HTTP, however. HTTP requests are initiated when a script sets the location property of a window object or calls the submit() method of a form object. In both cases, the browser loads a new page.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which method is an alternative of the property location of a window object?

(A) submit()
(B) locate()
(C) load()
(D) none of the mentioned

💬 Discuss

✅ Correct Answer: (A) submit()

Explanation: It is possible for JavaScript code to script HTTP, however. HTTP requests are initiated when a script sets the location property of a window object or calls the submit() method of a form object. In both cases, the browser loads a new page.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which of the following uses scripted HTTP?

(A) XML
(B) HTML
(C) Ajax
(D) All of the mentioned

💬 Discuss

✅ Correct Answer: (C) Ajax

Explanation: The key feature of an Ajax application is that it uses scripted HTTP to initiate data exchange with a web server without causing pages to reload.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

Q. Which of the below is a lieral reverse of Ajax?

(A) HTTP
(B) HTML
(C) XML
(D) Comet

💬 Discuss

✅ Correct Answer: (D) Comet

Explanation: Comet is the reverse of Ajax: in Comet, it is the web server that initiates the communication, asynchronously sending messages to the client.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:51 pm in Machine Learning

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