What does the $.each() method do in jQuery?
A). Iterates over elements
B). Filters elements
C). Binds events
D). Animates elements
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)
Which jQuery method is used to apply a plugin to selected elements?
A). $(selector).pluginName()
B). $(selector).usePlugin()
C). $(selector).applyPlugin()
D). $(selector).newPlugin()
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 a common use of jQuery plugins?
A). Enhancing user interfaces
B). Connecting to databases
C). Server-side scripting
D). File 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
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 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 $.extend() method do in a jQuery plugin?
A). Merge objects
B). Create animations
C). Handle events
D). Perform Ajax requests
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()