Which jQuery method is used to apply a plugin to selected elements?
A). $(selector).pluginName()
B). $(selector).usePlugin()
C). $(selector).applyPlugin()
D). $(selector).newPlugin()
Which method is used to extend jQuery's functionality by adding a plugin?
A). $.fn.extend()
B). $.fn.add()
C). $.fn.plugin()
D). $.fn.new()
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
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
In a jQuery plugin, how do you select the current element?
A). this
B). $(this)
C). element
D). $(element)
Which jQuery method is used to merge two or more objects?
A). $.extend()
B). $.merge()
C). $.combine()
D). $.concat()
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 primary purpose of jQuery plugins?
A). Extend jQuery's prototype object
B). Simplify HTML documents
C). Manage CSS styles
D). Enhance server-side scripting
What does the $.each() method do in jQuery?
A). Iterates over elements
B). Filters elements
C). Binds events
D). Animates elements