Which of the following is an example of a jQuery plugin?

Which jQuery method is used to apply a plugin to selected elements?

A). $(selector).pluginName()

B). $(selector).usePlugin()

C). $(selector).applyPlugin()

D). $(selector).newPlugin()

What does the $.extend() method do in a jQuery plugin?

A). Merge objects

B). Create animations

C). Handle events

D). Perform Ajax requests

What is the purpose of using the $.fn object in jQuery plugins?

A). To access jQuery prototype

B). To access the DOM directly

C). To handle events

D). To create HTML elements

How can you hide an element using a jQuery plugin?

A). this.hide()

B). this.visible(false)

C). this.remove()

D). this.display('none')

How can you extend an existing jQuery plugin with new methods?

A). $.fn.pluginName.newMethod = function()

B). $.pluginName.extend()

C). $.fn.extend(pluginName, newMethod)

D). $.extend(pluginName, newMethod)

How do you ensure a jQuery plugin supports method chaining?

A). Return this

B). Use $.fn.chain

C). Call the chain() method

D). Use return false

How can you make a jQuery plugin reusable across different projects?

A). Encapsulate in a function

B). Hard-code values

C). Avoid comments

D). Use global variables

What does the $.each() method do in jQuery?

A). Iterates over elements

B). Filters elements

C). Binds events

D). Animates elements

What is a common use of jQuery plugins?

A). Enhancing user interfaces

B). Connecting to databases

C). Server-side scripting

D). File handling

Which jQuery method is used to merge two or more objects?

A). $.extend()

B). $.merge()

C). $.combine()

D). $.concat()