Deck 12: Document Object Model Dom: Objects and Collections

Question 1

What is the significance of the second function argument in the following line
Window.setInterval( "run()", 100 );

A) The value sets how many times to call the function specified in the first argument.
B) The value sets how long the function is run for.
C) The value sets how often to run the function.
D) The value sets the time to wait before calling the function once.

Answer 1

C

Question 2

In the statement node1.replaceChild( node2, node3 ) , ________ replaces ________.

A) node3, node1
B) node1, node3
C) node2, node3
D) node3, node2

Answer 2

C

Question 3

Which of the following is the proper way to dynamically access the background color

A) document.body.style.BackgroundColor
B) document.body.attributes.BackgroundColor
C) document.body.style.backgroundColor
D) document.body.style.background-color

Answer 3

C

Question 4

Which of these is the method of the window object that stops repetitive calls to a method

A) clearTimer
B) stopTimer
C) stopInterval
D) clearInterval

Question 5

The elements in a web page are represented by a(n) ________.

A) object hierarchy
B) parent tree
C) dynamic HTML
D) DOM property

Question 6

Function getElementById returns a(n)________.

A) boolean
B) string
C) id attribute
D) object

Question 7

Which of the following is not a DOM collection

A) roots
B) anchors
C) links
D) forms

Question 8

An HTML5 element inside another element is a ________ of the containing element.

A) parent
B) child
C) instance
D) sub-element

Question 9

The fifth link on a page can be accessed using

A) links.item(4)
B) links[4]
C) either a or b
D) neither a nor b