Question 1

When does a recursive program go into infinite recursion

Accepted Answer

A)  if the loop-continuation test never becomes false 
B)  if the recursion test never becomes false 
C)  if the loop-continuation test never becomes true 
D)  if the recursion step does not converge on the base case 
A)  if the loop-continuation test never becomes false 
B)  if the recursion test never becomes false 
C)  if the loop-continuation test never becomes true 
D)  if the recursion step does not converge on the base case D

Question 2

The best way to develop and maintain a large program is to construct it from small, simple pieces called ________.

Accepted Answer

A)  scripts 
B)  modules 
C)  scriptlets 
D)  objects 
A)  scripts 
B)  modules 
C)  scriptlets 
D)  objects B

Question 3

The technique of developing and maintaining a large program by constructing it from small, simple pieces is called ________.

Accepted Answer

A)  divide and conquer 
B)  modular programming 
C)  multitasking 
D)  multiprogramming 
A)  divide and conquer 
B)  modular programming 
C)  multitasking 
D)  multiprogramming A

Question 4

Functions that are not provided as part of the JavaScript language are called ________ functions.

Accepted Answer

A)  add-on 
B)  programmer-defined 
C)  man-made 
D)  extra 
A)  add-on 
B)  programmer-defined 
C)  man-made 
D)  extra

Question 5

Nested in the audio element are two ________ specifying the locations of the audio clip in MP3 and OGG formats, respectively.

Accepted Answer

A)  source elements 
B)  media elements 
C)  preload attributes 
D)  location elements 
A)  source elements 
B)  media elements 
C)  preload attributes 
D)  location elements

Question 6

What is the result of writing the keyword var in a function parameter list

Accepted Answer

A)  The result would be a JavaScript runtime error. 
B)  The parameter following the keyword would have global scope. 
C)  The parameter following the keyword would have local scope. 
D)  The parameter following the keyword would become a static variable. 
A)  The result would be a JavaScript runtime error. 
B)  The parameter following the keyword would have global scope. 
C)  The parameter following the keyword would have local scope. 
D)  The parameter following the keyword would become a static variable.

Question 7

A function's ________ are also considered to be local variables.

Accepted Answer

A)  parameters 
B)  static variables 
C)  register variabless 
D)  constant variables 
A)  parameters 
B)  static variables 
C)  register variabless 
D)  constant variables

Question 8

Iteration uses ________ statements and recursion uses ________ statements.

Accepted Answer

A)  counter-recursive, counter-iterative 
B)  repetition, function calling 
C)  repetition, selection 
D)  function-calling, repetition 
A)  counter-recursive, counter-iterative 
B)  repetition, function calling 
C)  repetition, selection 
D)  function-calling, repetition

Question 9

What does the following statement do
Math.floor( Math.random() * 12 );

Accepted Answer

A)  This creates a random number from 0 up to and including 12. 
B)  This creates a random number from 0 up to but not including 12. 
C)  This creates a random number from 1 up to and including 12. 
D)  This creates a random number from 1 up to but not including 12. 
A)  This creates a random number from 0 up to and including 12. 
B)  This creates a random number from 0 up to but not including 12. 
C)  This creates a random number from 1 up to and including 12. 
D)  This creates a random number from 1 up to but not including 12.

Question 10

The value a in the following statement is called the ________ and the value b is called the ________.
Face = Math.floor( a + Math.random() * b );

Accepted Answer

A)  scaling factor, shifting value 
B)  shifting value, scaling factor 
C)  scaling value, shifting factor 
D)  shifting factor, scaling value 
A)  scaling factor, shifting value 
B)  shifting value, scaling factor 
C)  scaling value, shifting factor 
D)  shifting factor, scaling value

Question 11

Which of the following is used to access members (or properties) of form elements

Accepted Answer

A)  * 
B)  , 
C)  ")" 
D)  ; 
A)  * 
B)  , 
C)  ")" 
D)  ;

Question 12

JavaScript references the ________ object for you when you call its functions, so you don't need to use it directly.

Accepted Answer

A)  document 
B)  local 
C)  scriptlevel 
D)  Global 
A)  document 
B)  local 
C)  scriptlevel 
D)  Global

Question 13

Change an image's ________ attribute to change which picture it displays.

Accepted Answer

A)  location 
B)  URL 
C)  src 
D)  source 
A)  location 
B)  URL 
C)  src 
D)  source

Question 14

Which of the following are valid names of scopes in JavaScript

Accepted Answer

A)  local 
B)  global 
C)  variable 
D)  Both (a) and (b) 
A)  local 
B)  global 
C)  variable 
D)  Both (a) and (b)

Question 15

Which of the following is not a global function

Accepted Answer

A)  parseInt 
B)  escape 
C)  square 
D)  eval 
A)  parseInt 
B)  escape 
C)  square 
D)  eval

Question 16

What would the function cube return, assuming it is called with the statement cube( 3 )
Function cube( y );
{
Return y * y * y;
}

Accepted Answer

A)  JavaScript runtime error 
B)  3 
C)  9 
D)  27 
A)  JavaScript runtime error 
B)  3 
C)  9 
D)  27

Question 17

The "prepackaged" functions that belong to JavaScript objects such as Math.pow and Math.round are often called ________.

Accepted Answer

A)  subroutines 
B)  routines 
C)  methods 
D)  functions 
A)  subroutines 
B)  routines 
C)  methods 
D)  functions

Question 18

If the HTML5 form game has a text field named point in it, what is the proper way to set the text associated with point to 10

Accepted Answer

A)  game.point = "10" 
B)  game.point.text = "10" 
C)  game.point.caption = "10" 
D)  game.point.value = "10" 
A)  game.point = "10" 
B)  game.point.text = "10" 
C)  game.point.caption = "10" 
D)  game.point.value = "10"

Question 19

Giving a local function variable the same name as a global variable will result in which of the following

Accepted Answer

A)  JavaScript runtime error. 
B)  Data corruption. 
C)  The local function variable will rename itself. 
D)  The local variable will "hide" the global variable. 
A)  JavaScript runtime error. 
B)  Data corruption. 
C)  The local function variable will rename itself. 
D)  The local variable will "hide" the global variable.

Question 20

All variables declared in function definitions are ________.

Accepted Answer

A)  global variables 
B)  local variables 
C)  static variables 
D)  constant variables 
A)  global variables 
B)  local variables 
C)  static variables 
D)  constant variables

Exam 9: Javascript: Functions

When does a recursive program go into infinite recursion

The best way to develop and maintain a large program is to construct it from small, simple pieces called ________.

The technique of developing and maintaining a large program by constructing it from small, simple pieces is called ________.

Functions that are not provided as part of the JavaScript language are called ________ functions.

Nested in the audio element are two ________ specifying the locations of the audio clip in MP3 and OGG formats, respectively.

What is the result of writing the keyword var in a function parameter list

A function's ________ are also considered to be local variables.

Iteration uses ________ statements and recursion uses ________ statements.

What does the following statement do Math.floor( Math.random() * 12 );

The value a in the following statement is called the ________ and the value b is called the ________. Face = Math.floor( a + Math.random() * b );

Which of the following is used to access members (or properties) of form elements

JavaScript references the ________ object for you when you call its functions, so you don't need to use it directly.

Change an image's ________ attribute to change which picture it displays.

Which of the following are valid names of scopes in JavaScript

Which of the following is not a global function

What would the function cube return, assuming it is called with the statement cube( 3 ) Function cube( y ); { Return y * y * y; }

The "prepackaged" functions that belong to JavaScript objects such as Math.pow and Math.round are often called ________.

If the HTML5 form game has a text field named point in it, what is the proper way to set the text associated with point to 10

Giving a local function variable the same name as a global variable will result in which of the following

All variables declared in function definitions are ________.

Introduction to Computers and the Internet

Introduction to Html5: Part 1

Cascading Style Sheets Css

Introduction to Cascading Style Sheets

Javascript: Introduction to Scripting

Javascript: Control Statements I

Javascript: Control Statements II

Javascript: Arrays

Javascript: Objects

Document Object Model Dom: Objects and Collections

Javascript: Event Handling

Html5: Introduction to Canvas

Xml

Ajax-Enabled Rich Internet Applications With Xml and Json

Web Servers Iis and Apache

Database: Sql, Mysql, Linq and Javadb

Php

Web App Development With Aspnet in C#

Web App Development With Aspnet in C#: a Deeper Look

Windows Communication Foundation Wcf Web Services in C#

Web App Development With Aspnet in Visual Basic

Web App Development With Aspnet in Vb, a Deeper Look

Windows Communication Foundation Wcf Web Services in Vb

Javaserver Faces Web Apps: Part 1

Javaserver Faces Web Apps: Part 2

Web Services in Java

Filters

Iteration uses statements and recursion uses statements.

The value a in the following statement is called the and the value b is called the . Face = Math.floor( a + Math.random() * b );