Which method is used to extend jQuery's functionality by adding a plugin?

How can you pass options to a jQuery plugin?

A). As an object

B). As a string

C). As an array

D). As a number

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

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 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 can you hide an element using a jQuery plugin?

A). this.hide()

B). this.visible(false)

C). this.remove()

D). this.display('none')

What does 'return this' achieve in a jQuery plugin?

A). Supports method chaining

B). Stops execution

C). Clears data

D). Prevents errors

What is the purpose of the self-invoking function in jQuery plugins?

A). Encapsulation

B). Event binding

C). Animation

D). Ajax handling

What is the benefit of using the 'this.each()' method in a jQuery plugin?

A). Iterates through each element in the matched set

B). Selects a single element

C). Filters elements

D). Binds events

How can you ensure a jQuery plugin does not conflict with other libraries?

A). Use noConflict()

B). Use unique variable names

C). Avoid global variables

D). Use namespaces