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
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
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 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
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 'return this' achieve in a jQuery plugin?
A). Supports method chaining
B). Stops execution
C). Clears data
D). Prevents errors
Which of the following is an example of a jQuery plugin?
A). DataTables
B). Bootstrap
C). PHPMyAdmin
D). MySQL