Machine Learning MCQs with answers Page - 49

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Q. Which property specifies the property of the event?

  • (A) Type
  • (B) Target
  • (C) Manner
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (A) Type
Explanation: All event objects have a type property that specifies the event type.

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

Q. The process by which the browser decides which objects to trigger event handlers on is

  • (A) Event Triggering
  • (B) Event Listening
  • (C) Event Handling
  • (D) Event propogation
💬 Discuss
✅ Correct Answer: (D) Event propogation
Explanation: Event propagation is the process by which the browser decides which objects to trigger event handlers on.

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

Q. Which form of event propogation handles the registered container elements?

  • (A) Event Propogation
  • (B) Event Registration
  • (C) Event Capturing
  • (D) Default Actions
💬 Discuss
✅ Correct Answer: (C) Event Capturing
Explanation: Another form of event propogation, known as event capturing, handlers specially registered on container elements have the opportunity to intercept ( or “capture” ) events before they are delivered to their actual target.

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

Q. The events that are directly tied to a specific input device are

  • (A) Device-independent input events
  • (B) Device-dependent input events
  • (C) User interface events
  • (D) State change events
💬 Discuss
✅ Correct Answer: (B) Device-dependent input events
Explanation: These are events that are directly tied to a specific input device, such as the mouse or keyboard) They include legacy event types such as “mousedown”, “mousemove”, “mouseup”, “keydown”, “keypress”, and “keyup” and also new touch specific events like “touchmove” and “gesturechange”.

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

Q. The high-level events among the following events are

  • (A) User interface events
  • (B) Device-independent events
  • (C) Device-dependent events
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (A) User interface events
Explanation: UI events are higher-level events, often on HTML form elements that define a user interface for a web application. They include the focus event (when a text input field gains keyboard focus), the change event when the user changes the value displayed by a form element, and the submit event when the user clicks a Submit button in a form.

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

Q. The events that are not directly tied to a specific input device are

  • (A) User interface events
  • (B) Device-independent events
  • (C) Device-dependent events
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (B) Device-independent events
Explanation: These are input events that are not directly tied to a specific input device. The click event, for example, indicates that a link or button (or other document element) has been activated) This is often done via a mouse click, but it could also be done by keyboard or (on touch-sensitive devices) by gesture.

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

Q. Which syntax is used to describe elements in CSS?

  • (A) Protectors
  • (B) Selectors
  • (C) Both Protectors and Selectors
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (B) Selectors
Explanation: CSS stylesheets have a very powerful syntax, known as selectors, for describing elements or sets of elements within a document.

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

Q. What does the following code snippet mean?
#log>span

  • (A) Span child after log declaration
  • (B) Specific span child of id greater than log
  • (C) Span child less than log
  • (D) Any span child of the element with id as log
💬 Discuss
✅ Correct Answer: (D) Any span child of the element with id as log
Explanation: The above code snippet means that any span child of the element with id=”log”.

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

Q. Which of the following is the ultiate element selection method?

  • (A) querySelectorAll()
  • (B) querySelector()
  • (C) queryAll()
  • (D) query()
💬 Discuss
✅ Correct Answer: (A) querySelectorAll()
Explanation: querySelectorAll() is the ultimate element selection method: it is a very powerful technique by which client-side JavaScript programs can select the document elements that they are going to manipulate.

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

Q. Which of the following is the Web application equivalent to querySelectorAll()?

  • (A) #()
  • (B) &()
  • (C) $()
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (C) $()
Explanation: Web applications based on jQuery use a portable, cross-browser equivalent to querySelectorAll() named $().

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

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