Deck 9: Integrating Javascript and Html5

Question 1

Which of the following is a built-in JavaScript object?

A)page
B)instance
C)key
D)document

Answer 1

D

Question 2

Some methods require a(n)____.

A)argument
B)definition
C)handler
D)script

Answer 2

A

Question 3

On which of the following is JavaScript based?

A)methods
B)objects
C)properties
D)windows

Answer 3

B

Question 4

Which of the following is an HTML comment line?

A)< script language="javascript" >
B)document.bgColor="red"
C)< !--Hide from old browsers-- >
D)all of the above

Question 5

A(n)____ function is JavaScript code written to perform certain tasks repeatedly.

A)script
B)looping
C)user-defined
D)iterative

Question 6

____ are actions that an object can perform.

A)Parameters
B)Methods
C)Handles
D)Events

Question 7

Which of the following refers to JavaScript code written to perform certain tasks repeatedly?

A)function
B)method
C)object
D)form

Question 8

A(n)____ is a value given to a method.

A)parameter
B)argument
C)baseline
D)index

Question 9

Which of the following objects represents a set of characters?

A)chars
B)set
C)array
D)string

Question 10

Which of the following is true regarding naming conventions for functions?

A)it must include an underscore
B)it must include a period
C)it must include a hyphen
D)it must begin with a letter or an underscore

Question 11

Which of the following objects returns an ordered set of values?

A)Boolean
B)function
C)set
D)array

Question 12

Which of the following objects keeps track of Web pages visited?

A)tracking
B)history
C)visits
D)navigator

Question 13

JavaScript ____ are temporary places to store data.

A)handlers
B)variables
C)comments
D)indices

Question 14

Event ____ are the way to associate an event with a function.

A)handlers
B)features
C)actions
D)links

Question 15

Given car.drive(),where car is the object,drive is the ____ of the car object.

A)feature
B)function
C)method
D)event

Question 16

Which of the following objects switches to a new Web page?

A)new
B)page
C)location
D)switch

Question 17

Which of the following objects represents the content of a browser's window?

A)document
B)frame
C)window
D)form

Question 18

A(n)____ is the result of a user's action.

A)event
B)outcome
C)index
D)method

Question 19

Which of the following objects obtains information about the current Web browser?

A)window
B)navigator
C)document
D)math

Question 20

Functions are placed in a JavaScript section within the ____ section on the HTML code.

A)< head >
B)< body >
C)< code >
D)< script >

Question 21

Which of the following is not a valid JavaScript variable name?

A)Months
B)Zip.Code
C)Last_Name
D)Prices

Question 22

A(n)____ is a word with special meaning in a programming language like JavaScript.

A)index
B)baseline
C)definition
D)keyword

Question 23

Which of the following data types contain logical data as True/False or Yes/No?

A)string
B)numeric
C)Boolean
D)alpha

Question 24

____ data types contain logical data.

A)Logical
B)String
C)Boolean
D)Iterative

Question 25

JavaScript ____ make Web pages more dynamic and interactive by allowing JavaScript code to execute only in response to a user action.

A)event handlers
B)start tags
C)numeric functions
D)comment locators

Question 26

The address of the first byte in a string of characters is ____.

A)-1
B)0
C)1
D)2

Question 27

Which of the following hides any script language that a browser may not be able to interpret?

A)numeric function
B)< script > tags
C)start tags
D)HTML comment line

Question 28

For the most flexibility in using colors,Web developers suggest using either the hexadecimal version or the ____ method version to assign a color.

A)decimal
B)rgb()
C)color coding
D)cmyk()

Question 29

Which of the following is the general form of an event handler?

A)< tag attribute eventHandler = "JavaScript code" >
B)< tag attribute > eventHandler "JavaScript code"
C)eventHandler = "JavaScript code" < TAG attribute >
D)none of the above

Question 30

If a JavaScript variable's value,which has not been declared previously,is used or displayed on a Web page,JavaScript assigns the value "____" to that variable.

A)undeclared
B)baseless
C)undefined
D)null

Question 31

JavaScript variables are ____,which means they do not have to be assigned a specific data type.

A)concatenated
B)logical
C)loosely typed
D)indexed

Question 32

If a variable value is available anywhere inside the Web page,the variable is ____.

A)local
B)global
C)iterative
D)dynamic

Question 33

Which of the following refers to a variable value that is available only in the function in which it is defined?

A)global variable
B)local variable
C)inside variable
D)none of the above

Question 34

To define a variable as ____,it must be declared in the < script > section before any of the user-defined functions.

A)loosely typed
B)local
C)global
D)string

Question 35

____ are used to enclose the entire content of a string.

A)Single quotation marks
B)Double quotation marks
C)Brackets
D)Curly braces

Question 36

It is good programming practice to precede a variable name with the ____ keyword.

A)res
B)this
C)def
D)var

Question 37

____ data types are variables that hold characters or a combination of letters,numbers,or symbols.

A)String
B)Boolean
C)Symbol
D)Decimal

Question 38

The general form of the location property is ____.

A)location.window=URL
B)window(location)=URL
C)window/location=URL
D)window.location=URL

Question 39

A(n)____ variable is one whose value is available only in the function in which it is defined.

A)static
B)local
C)iterative
D)global

Question 40

The ____ keyword is required if local variables are being defined within a function.

A)res
B)var
C)def
D)this

Question 41

Many companies rely on their Web sites as a key vehicle to communicate with current and future customers,members,and clients.

Question 42

Arguments associated with a car object might be turn,drive,and stop._________________________

Question 43

A built-in object is a JavaScript object that depends on another object.

Question 44

A comma separates the object name from the method.

Question 45

JavaScript code should be placed in the < div > section of the HTML code.

Question 46

Given a car object and the turn()method,a statement could be written as car.turn("left")where the function "left" is additional information describing which way the car should turn.

Question 47

You assign a property to an object by writing objectname.method(parameters).

Question 48

JavaScript variables are considered local,unless the variable is defined within a user-defined function._________________________

Question 49

Any time you enter a < script > tag,you also must enter a < /script > tag.

Question 50

The monitor object gives platform-specific information about the user's screen.

Question 51

Which of the following attributes is optional in the < script > tag?

A)src
B)async
C)defer
D)index

Question 52

Periods are used to separate ____ from each other.

A)formulas
B)properties
C)objects
D)methods

Question 53

Methods are followed by parentheses,which may be empty,or may contain an argument._________________________

Question 54

Which of the following standards supports the type attribute of the < script > tag?

A)XHTML
B)XML
C)Java
D)JavaScript

Question 55

JavaScript and VBScript are the two main client-side script languages used today.

Question 56

____ is a built-in JavaScript object.

A)Decimal
B)Boolean
C)Function
D)Location

Question 57

The constants object supports special constants._________________________

Question 58

One way to create a comment within JavaScript is to begin the comment with a slash and ampersand and end the comment with an ampersand and slash.

Question 59

Properties are attributes of objects and describe some aspect about the object._________________________

Question 60

Which of the following is a valid function name?

A)get_Payment()
B)calcPayment()
C)verifyForm()
D)verify Payment()

Question 61

The selectedIndex can be used alone to return a value.

Question 62

One way to call functions is to use object handlers and event methods.

Question 63

JavaScript variables cannot begin with an underscore.

Question 64

The parentheses after the Date()object mean the Date()object can retrieve a specified date and time or the current system date and time.

Question 65

The substring()method uses a length value to extract y number of characters starting at x location.

Question 66

The ____________________ object in JavaScript refers to all elements related to the Document Object Model.

Question 67

If you do not close an HTML comment line properly,the Web page may not display from the point of the comment forward.

Question 68

The substr()method uses the exact byte locations in a string to extract part of the string between the two locations.

Question 69

A(n)____________________ is an HTML tag that identifies a section of HTML code using the id attribute.

Question 70

A function name must begin with a(n)____________________.

Question 71

JavaScript's built-in functions like alert()and close()actually belong to the ____________________ object.

Question 72

JavaScript variables are broadly typed,which means that you are not required to define the variable data types as either numeric or character in advance.

Question 73

Web developers use the built-in Date()object to access the current system date and time.

Question 74

The var keyword is optional for local variables defined within a function.

Question 75

An object instance variable uses the ____________________ keyword and assigns the built-in object to a variable.

Question 76

JavaScript facilitates Web developers being able to change a variable's data type in the middle of JavaScript code.

Question 77

An event handler is a way to associate an action with a function.

Question 78

When using the getMonth()method,a developer must add 2 to the result to get the current month number.

Question 79

The ____________________ JavaScript object creates an Object wrapper.

Question 80

A defined variable can cause errors in mathematical calculations.