Question 1

What should you use as a counter in counter-controlled repetition

Accepted Answer

A)  a floating-point number 
B)  a sentinel 
C)  an integer 
D)  a num object 
A)  a floating-point number 
B)  a sentinel 
C)  an integer 
D)  a num object C

Question 2

What would the browser display if the following script were executed

Accepted Answer

A)  Nothing; the script would generate an error 
B)  XXXX 
C)  XXXXX 
D)  XXXXXX 
A)  Nothing; the script would generate an error 
B)  XXXX 
C)  XXXXX 
D)  XXXXXX A

Question 3

The ________ multiple-selection statement is used to handle decision making and can be used to replace multiple if and if...else statements.

Accepted Answer

A)  do...while 
B)  case 
C)  break 
D)  switch 
A)  do...while 
B)  case 
C)  break 
D)  switch D

Question 4

Which of the following is not required for counter-controlled repetition

Accepted Answer

A)  final value 
B)  initial value 
C)  sentinel 
D)  increment 
A)  final value 
B)  initial value 
C)  sentinel 
D)  increment

Question 5

What would the browser display if it executed the following script

Accepted Answer

A)  Nothing; the script would generate an error. 
B)  5 
C)  9 
D)  10 
A)  Nothing; the script would generate an error. 
B)  5 
C)  9 
D)  10

Question 6

Which of the following will not evaluate to true

Accepted Answer

A)  false || false 
B)  true || true 
C)  false || true 
D)  true || false 
A)  false || false 
B)  true || true 
C)  false || true 
D)  true || false

Question 7

What would the browser display if the following script were executed

Accepted Answer

A)  Nothing; the script would generate an error 
B)  OOOO 
C)  OOOOO 
D)  OOOOOO 
A)  Nothing; the script would generate an error 
B)  OOOO 
C)  OOOOO 
D)  OOOOOO

Question 8

What is the value of num after the following statements are performed
Num = 2.4589;
Num = num.toFixed( 2 );

Accepted Answer

A)  2 
B)  2.46 
C)  2.5 
D)  2.45 
A)  2 
B)  2.46 
C)  2.5 
D)  2.45

Question 9

What would the browser display if it executed the following script

Accepted Answer

A)  Nothing; the script would generate an error. 
B)  1 
C)  5 
D)  10 
A)  Nothing; the script would generate an error. 
B)  1 
C)  5 
D)  10

Question 10

Consider the following code selections. Assume count is initialized to 7 and num is initialized to 0.
I. ii)
Do
{ while ( count < 6 )
Num = count; num = count;
} while ( count < 6 )
What will the value of num be for i) and ii) respectively after the loops have been executed

Accepted Answer

A)  0, 0 
B)  0, 7 
C)  7, 0 
D)  7, 7 
A)  0, 0 
B)  0, 7 
C)  7, 0 
D)  7, 7

Question 11

In a switch statement, the ________ case clause is used to process exceptional conditions and is usually listed last.

Accepted Answer

A)  break 
B)  default 
C)  else 
D)  then 
A)  break 
B)  default 
C)  else 
D)  then

Question 12

What would the browser display if it executed the following script

5 );
//-- >

Accepted Answer

A)  Nothing; the script would generate an error 
B)  O 
C)  OOOOO 
D)  OOOOOO 
A)  Nothing; the script would generate an error 
B)  O 
C)  OOOOO 
D)  OOOOOO

Question 13

Switch statements contain ________ labels.

Accepted Answer

A)  select 
B)  if...else 
C)  case 
D)  choice 
A)  select 
B)  if...else 
C)  case 
D)  choice

Question 14

Which of the following will not evaluate to false

Accepted Answer

A)  false && false 
B)  true && true 
C)  false && true 
D)  true && false 
A)  false && false 
B)  true && true 
C)  false && true 
D)  true && false

Question 15

What is the value of num after the following statement is performed
Num = 2 * Math.pow( 2, 3 );

Accepted Answer

A)  16 
B)  18 
C)  64 
D)  8 
A)  16 
B)  18 
C)  64 
D)  8

Exam 8: Javascript: Control Statements II

What should you use as a counter in counter-controlled repetition

What would the browser display if the following script were executed < script type = "text/javascript" > < !-- For ( var i = 0; var i < 5; var i++ ) Document.write( "X" ); //-- > < /script >

The ________ multiple-selection statement is used to handle decision making and can be used to replace multiple if and if...else statements.

Which of the following is not required for counter-controlled repetition

What would the browser display if it executed the following script < script type = "text/javascript" > < !-- For ( var count = 0; count < 10; ++count ) { If ( count == 5 ) Continue; } Document.writeln( count ); //-- > < /script >

Which of the following will not evaluate to true

What would the browser display if the following script were executed < script type = "text/javascript" > < !-- For ( var i = 0; i < 5; i++ ) Document.write( "O" ); //-- > < /script >

What is the value of num after the following statements are performed Num = 2.4589; Num = num.toFixed( 2 );

What would the browser display if it executed the following script < script type = "text/javascript" > < !-- For ( var count = 1; count < = 10; ++count ) { If ( count == 5 ) Break; } Document.writeln( count ); //-- > < /script >

Consider the following code selections. Assume count is initialized to 7 and num is initialized to 0. I. ii) Do { while ( count < 6 ) Num = count; num = count; } while ( count < 6 ) What will the value of num be for i) and ii) respectively after the loops have been executed

In a switch statement, the ________ case clause is used to process exceptional conditions and is usually listed last.

What would the browser display if it executed the following script < script type = "text/javascript" > < !-- Var i = 0; Do { Document.write( "O" ); I++; } while ( i > 5 ); //-- > < /script >

Switch statements contain ________ labels.

Which of the following will not evaluate to false

What is the value of num after the following statement is performed Num = 2 * Math.pow( 2, 3 );

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: Functions

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

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