Which jQuery method is used to merge two or more objects?
A). $.extend()
B). $.merge()
C). $.combine()
D). $.concat()
What is a common use of jQuery plugins?
A). Enhancing user interfaces
B). Connecting to databases
C). Server-side scripting
D). File handling
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 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)
What does 'return this' achieve in a jQuery plugin?
A). Supports method chaining
B). Stops execution
C). Clears data
D). Prevents errors
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 the purpose of the self-invoking function in jQuery plugins?
A). Encapsulation
B). Event binding
C). Animation
D). Ajax handling
How do you provide default settings for a jQuery plugin?
A). Using $.extend()
B). Using $.defaults()
C). Using $.settings()
D). Using $.config()
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 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