Multiple Choice

6. What is the extension of the file that contains the jQuery library?

a.?.htmlb.?.css

c.?.jsd.?.jq

7. Why would you link to a jQuery file on a CDN??

a.?It’s the only way to ensure that you’re using the most current version.

b.?It can provide an improved user experience.

c.?It’s cheaper than linking to a file on your own web server.

d.?It’s the only way to include the library in your web documents.

8. Every jQuery statement begins with which character??

a.?$b.?.

c.d.?#

9. In a jQuery statement, a reference to the elements on which the statement operates is contained in ____.?

a.?{ }b.?[ ]

c.?< >d.?( )

10. To select elements in jQuery, you specify a(n) ____.?

a.?CSS selectorb.?getElementById() method

c.?arrayd.?JSON string

11. Which of the following is NOT an acceptable value for referencing the element(s) on which a jQuery statement operates??

a.?a variableb.?a CSS selector

c.?a JavaScript methodd.?the this keyword

12. Which character do you use to append a jQuery method to code that selects elements??

a.?:b.?.

c.?-d.?=

13. The ____ method changes the selection to the sibling element immediately following each selected element.?

a.?next()b.?last()

c.?previous()d.children()

14. The ____ method selects the child elements of each element matched by the main selector.?

a.?next()b.?last()

c.?previous()d.children()

15. The ____ method adds specified class name(s) to the selection.?

a.?height()b.?addClass()

c.?width()d.val()