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 is a common use of jQuery plugins?
A). Enhancing user interfaces
B). Connecting to databases
C). Server-side scripting
D). File handling
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()
What does the $.each() method do in jQuery?
A). Iterates over elements
B). Filters elements
C). Binds events
D). Animates 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 do you provide default settings for a jQuery plugin?
A). Using $.extend()
B). Using $.defaults()
C). Using $.settings()
D). Using $.config()
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
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
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 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)