How can you make a jQuery plugin reusable across different projects?
A). Encapsulate in a function
B). Hard-code values
C). Avoid comments
D). Use global variables
What does the $.each() method do in jQuery?
A). Iterates over elements
B). Filters elements
C). Binds events
D). Animates elements
Which jQuery method is used to merge two or more objects?
A). $.extend()
B). $.merge()
C). $.combine()
D). $.concat()
Which of the following is an example of a jQuery plugin?
A). DataTables
B). Bootstrap
C). PHPMyAdmin
D). MySQL
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 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 does 'return this' achieve in a jQuery plugin?
A). Supports method chaining
B). Stops execution
C). Clears data
D). Prevents errors
What is a common use of jQuery plugins?
A). Enhancing user interfaces
B). Connecting to databases
C). Server-side scripting
D). File handling
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
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()