What does the $.each() method do in jQuery?
A). Iterates over elements
B). Filters elements
C). Binds events
D). Animates elements
What does 'return this' achieve in a jQuery plugin?
A). Supports method chaining
B). Stops execution
C). Clears data
D). Prevents errors
What does the $.extend() method do in a jQuery plugin?
A). Merge objects
B). Create animations
C). Handle events
D). Perform Ajax requests
Which of the following is an example of a jQuery plugin?
A). DataTables
B). Bootstrap
C). PHPMyAdmin
D). MySQL
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 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
What is the purpose of the self-invoking function in jQuery plugins?
A). Encapsulation
B). Event binding
C). Animation
D). Ajax handling
Which jQuery method is used to apply a plugin to selected elements?
A). $(selector).pluginName()
B). $(selector).usePlugin()
C). $(selector).applyPlugin()
D). $(selector).newPlugin()
In a jQuery plugin, how do you select the current element?
A). this
B). $(this)
C). element
D). $(element)