Visual Programming MCQs with Answers
Practice important Visual Programming MCQs with answers and explanations.
Multiple Choice Questions
Q691: Which jQuery method can be used to hide all elements with the class submenu?
- A: $('.submenu').hide();
- B: $('.submenu').show();
- C: $('.submenu').fadeIn();
- D: $('.submenu').remove();
View Answer
A
Q692: How can you chain multiple jQuery functions to set the width and height of an element?
- A: $('#element').width(300).height(300);
- B: $('#element').setWidth(300).setHeight(300);
- C: $('#element').setSize(300, 300);
- D: $('#element').resize(300, 300);
View Answer
A
Q693: What is the purpose of the :contains jQuery filter?
- A: To select elements containing a specific text
- B: To select elements with a specific attribute
- C: To select elements based on their position
- D: To select elements with specific CSS properties
View Answer
A
Q694: Which jQuery method is used to append content to an element?
- A: .append()
- B: .prepend()
- C: .replaceWith()
- D: .before()
View Answer
A
Q695: How do you change the text of an element with the ID errors using jQuery?
- A: $('#errors').text('No errors found');
- B: $('#errors').html('No errors found');
- C: $('#errors').replaceWith('No errors found');
- D: $('#errors').append('No errors found');
View Answer
A
Q696: How can you add a class to an element with the ID banner?
- A: $('#banner').addClass('new-class');
- B: $('#banner').setClass('new-class');
- C: $('#banner').classList.add('new-class');
- D: $('#banner').appendClass('new-class');
View Answer
A
Q697: What does the each() function do in jQuery?
- A: It iterates over each element in a jQuery collection
- B: It selects multiple elements in the DOM
- C: It creates a new jQuery collection from an array
- D: It adds an event handler to each element in the DOM
View Answer
A
Q698: Which jQuery event method triggers when a user clicks an element?
- A: .click()
- B: .mouseover()
- C: .dblclick()
- D: .focus()
View Answer
A
Q699: How does the hover() method differ from the toggle() method in jQuery?
- A: hover() handles mouse enter and leave events, while toggle() handles clicks
- B: hover() handles clicks, while toggle() handles mouse enter and leave events
- C: hover() handles keyboard events, while toggle() handles mouse events
- D: hover() and toggle() are identical in functionality
View Answer
A
Q700: What is the use of $(this) in jQuery when used inside an each() function?
- A: It refers to the current element in the iteration
- B: It selects all elements with the same class as the current element
- C: It targets the first element in the jQuery collection
- D: It selects the next sibling element of the current element
View Answer
A