Which of the following is a valid jQuery selector?

What is the purpose of the document ready function in jQuery?

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

B). To define custom CSS styles

C). To handle asynchronous requests

D). To create animations

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 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 jQuery?

A). A programming language

B). A JavaScript framework

C). A markup language

D). A database language

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

A). getElementById('elementID')

B). document.getElementById('elementID')

C). $('#elementID')

D). $('.elementID')

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

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

Which jQuery method is used to hide an element?

A). remove()

B). hide()

C). display()

D). show()

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