Which of the following is a valid jQuery selector?

What is the purpose of the attr() method in jQuery?

A). To toggle attributes of elements

B). To add attributes to elements

C). To get or set attributes of elements

D). To remove attributes from elements

What is the purpose of the ready() method in jQuery?

A). To loop through elements and perform a function on each

B). To execute code when the DOM is fully loaded

C). To handle asynchronous requests

D). To create animations

What is the purpose of the val() method in jQuery?

A). To remove form inputs from the DOM

B). To validate form inputs

C). To get or set the value of form inputs

D). To add validation rules to form inputs

What is the purpose of the fadeIn() method in jQuery?

A). To slide up an element

B). To fade in an element

C). To fade out an element

D). To slide down an element

What is the syntax for selecting an element by its ID in jQuery?

A). getElementById('elementID')

B). document.getElementById('elementID')

C). $('#elementID')

D). $('.elementID')

Which of the following is a benefit of using jQuery in web development?

A). Server-side processing

B). Cross-browser compatibility

C). Hardware acceleration

D). Database management

Which jQuery method is used to perform AJAX requests?

A). get()

B). ajax()

C). post()

D). load()

How can you include external jQuery plugins in your project?

A). All of the above

B). By downloading the plugin file and linking it in the HTML document

C). By using a CDN (Content Delivery Network)

D). By embedding the plugin code directly into the HTML document

What is the purpose of the css() method in jQuery?

A). To toggle CSS properties of elements

B). To get or set CSS properties of elements

C). To remove CSS classes from elements

D). To add CSS classes to elements

What is the purpose of the on() method in jQuery?

A). To loop through elements

B). To handle events on elements

C). To create animations

D). To perform AJAX requests