Chapter 5

Question 1

T/F The top-level object in the browser object model is the Window object, which represents a web browser window

Answer 1

True

Question 2

T/F The objects in the BOM for any given web page depend on the contents of the page

Answer 2

False

Question 3

T/F The getElementsBySelector() method returns a collection of elements matching a specified selector

Answer 3

True

Question 4

T/F Internet Explorer 8 does not support the textContent property

Answer 4

True

Question 5

T/F A node attached with the appendChild() method is always added as the last child element of the parent element

Answer 5

True

Question 6

When you open a new web browser window, you can customize its appearance using the BLANK argument of the window.open() method

Answer 6

options

Question 7

In order to make a window the active window, you use the BLANK method of the Window object

Answer 7

focus()

Question 8

The BLANK method is used in JavaScript to execute code after a specific amount of time has elapsed

Answer 8

setTimeout()

Question 9

The BLANK method is used to cancel a setTimeout() method before its code executes

Answer 9

clearTimeout()

Question 10

The BLANK method repeatedly executes the same code after being called only once

Answer 10

setInterval()

Question 11

The BLANK method is used to clear a setInterval() method call

Answer 11

clearInterval()

Question 12

The History object contains a single property, the BLANK property, which contains the specific number of documents that have been opened during the current browser session

Answer 12

length

Question 13

The BLANK object allows you to change to a new web page from within JavaScript code

Answer 13

Location

Question 14

The BLANK object is used to obtain information about the current web browser

Answer 14

Navigator

Question 15

T/F getElementById() returns a node list or HTML collection

Answer 15

False

Question 16

BLANK returns all h1 elements in a document

Answer 16

getElementsByTagName(“h1”)

Question 17

BLANK returns all elements in a document that match a selector p figure img

Answer 17

querySelectorAll(“p figure img”)

Question 18

BLANK references the CSS font-family property in JavaScript when using dot notation

Answer 18

fontFamily

Question 19

BLANK is the correct way to reference the href attribute of the element with the id value homeLink

Answer 19

document.getElementById(“homeLink”).href

Question 20

BLANK results in a node that exists independently of the DOM tree?

Answer 20

createElement()

Question 21

The DOM hierarchy is also known as BLANK

Answer 21

the DOM tree

Question 22

BLANK returns the element created by the HTML tag pair <p class="first"></p>

Answer 22

getElementsByClassName(“first”)

Question 23

BLANK method adds a node to a parent node before one or more existing child nodes

Answer 23

insertNode()

Question 24

BLANK method returns a single element?

Answer 24

querySelector()

Question 25

A set of connected nodes that are not part of a document is known as a(n) BLANK

Answer 25

document fragment

Question 26

The BLANK object represents a web browser window

Answer 26

Window

Question 27

The Document object branch of the BOM is represented by its own object model called the BLANK

Answer 27

Document Object Model DOM

Question 28

One way of referring to the Window object is by using the BLANK property, which refers to the current Window object

Answer 28

self

Question 29

For security reasons, you should use the BLANK property when possible instead of the innerHTML property

Answer 29

textContent

Question 30

Each item in the DOM tree is known as a(n) BLANK

Answer 30

node