Question 1

Match between columns
                        Premises: This method duplicates items within an array.
This method converts the contents of an array to a text sequence with the array values in a comma-separated list.
This method rearranges array items in alphabetical order.
This method rearranges array items in alphabetical order.
This method joins the array to two or more arrays, creating a single array containing the items from all the arrays.
This method duplicates items within an array.
This method inverts the order of items in an array.
This method removes the first item from an array.
This method converts the contents of an array to a text sequence with the array values in a comma-separated list.
This method inserts new items at the start of an array.
This method appends an array with new items.
This method inverts the order of items in an array.
This method removes the last item from an array.
This method inserts new items at the start of an array.
This method removes the first item from an array.
This method joins the array to two or more arrays, creating a single array containing the items from all the arrays.
This method links all items in the array into a single text string.
This method appends an array with new items.
This method removes the last item from an array.
This method links all items in the array into a single text string.

Accepted Answer

The Answer of join(separator) and concat(array1, array2,...) and reverse() and is...

Question 2

In an array literal, the array values are a space-separated list within a set of curly brackets.

Accepted Answer

A) True 
 B)False  False

Question 3

Increasing the value of the length property adds more items to an array, but the items have null values until they are defined.

Accepted Answer

A) True 
 B)False  True

Question 4

The while statement is used to exit a program loop before the stopping condition is met.

Accepted Answer

A) True 
 B)False

Question 5

A _____, which employs the first-in-first-out (FIFO) principle in which the first item added to the data list is the first removed, is similar to a stack.

Accepted Answer

A)  frame 
B)  bitmap 
C)  queue 
D)  binary tree 
A)  frame 
B)  bitmap 
C)  queue 
D)  binary tree

Question 6

In an if loop, a variable known as a counter variable is used to track the number of times a block of commands is run.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following methods creates a new array populated with the elements of array that return a value of true from the callback function?

Accepted Answer

A)  array .every( callback [, thisArg ]) 
B)  array .filter( callback [, thisArg ]) 
C)  array .some( callback [, thisArg ]) 
D)  array .find( callback [, thisArg ]) 
A)  array .every( callback [, thisArg ]) 
B)  array .filter( callback [, thisArg ]) 
C)  array .some( callback [, thisArg ]) 
D)  array .find( callback [, thisArg ])

Question 8

The _____ statement stops processing the commands in the current iteration of the loop and proceeds to the next iteration instead of stopping the program loop altogether.

Accepted Answer

A)  switch 
B)  else 
C)  continue 
D)  pass 
A)  switch 
B)  else 
C)  continue 
D)  pass

Question 9

The do/while loop is generally used when the program loop should run at least once before testing for the stopping condition.

Accepted Answer

A) True 
 B)False

Question 10

A(n) _____ is a collection of values organized under a single name.

Accepted Answer

A)  index 
B)  heap 
C)  array 
D)  tuple 
A)  index 
B)  heap 
C)  array 
D)  tuple

Question 11

Identify a compare function that sorts numeric values in descending order.

Accepted Answer

A)  function descending(a, b) { return a - b; } 
B)  function descending(b, a) { return b; } 
C)  function descending(a, b) { return b - a; } 
D)  function descending(b, a) { return a; } 
A)  function descending(a, b) { return a - b; } 
B)  function descending(b, a) { return b; } 
C)  function descending(a, b) { return b - a; } 
D)  function descending(b, a) { return a; }

Question 12

What is the output of the following code? for (var i = 0; i

Accepted Answer

A)  i = 0, 60, 120, 180, 240, 360 
B)  i = 360, 240, 180, 120, 60, 0 
C)  i = 60, 120, 240, 480, 960 
D)  i = 600, 300, 240, 180, 120, 60 
A)  i = 0, 60, 120, 180, 240, 360 
B)  i = 360, 240, 180, 120, 60, 0 
C)  i = 60, 120, 240, 480, 960 
D)  i = 600, 300, 240, 180, 120, 60

Question 13

Which of the following methods is used to determine the day of the week on which a month starts?

Accepted Answer

A)  calDay; 
B)  day.calDay() 
C)  find.Day; 
D)  getDay() 
A)  calDay; 
B)  day.calDay() 
C)  find.Day; 
D)  getDay()

Question 14

What is the output of the following code? for(var i = 5; i > 0; i--)

Accepted Answer

A)  i = 4, 3, 2, 1, 0 
B)  i = 5, 4, 3, 2, 1 
C)  i = 0, 1, 2, 3, 4 
D)  i = 1, 2, 3, 4, 5 
A)  i = 4, 3, 2, 1, 0 
B)  i = 5, 4, 3, 2, 1 
C)  i = 0, 1, 2, 3, 4 
D)  i = 1, 2, 3, 4, 5

Question 15

Identify the general structure for accessing each value from an array using a for loop.

Accepted Answer

A)  for ( i array ; i ++) { commands involving array [ i ] } 
B)  for (var i = 0; i ++; i array .length) { commands involving array ( i) } 
C)  for (var i = 0; i ++) { commands involving array ( i) } 
D)  for (var i = 0; i array .length; i ++) { commands involving array [ i ] } 
A)  for ( i array ; i ++) { commands involving array [ i ] } 
B)  for (var i = 0; i ++; i array .length) { commands involving array ( i) } 
C)  for (var i = 0; i ++) { commands involving array ( i) } 
D)  for (var i = 0; i array .length; i ++) { commands involving array [ i ] }

Question 16

JavaScript supports logical operators that connect several expressions.

Accepted Answer

A) True 
 B)False

Question 17

Identify the general structure of a for loop.

Accepted Answer

A)  for ( start ; continue ; update ) { commands } 
B)  for ( start ; update) { commands } 
C)  for ( start ; stop ) { commands } 
D)  for ( start ; stop ; continue ) { commands } 
A)  for ( start ; continue ; update ) { commands } 
B)  for ( start ; update) { commands } 
C)  for ( start ; stop ) { commands } 
D)  for ( start ; stop ; continue ) { commands }

Question 18

Case-Based Critical Thinking Questions Case 9-1 Melissa, a computer science engineering student, is learning the basics of programming by exploring arrays. She learns about different array methods. She wishes to learn more on inserting and deleting array items. She creates monthName array to extract only the three spring months-March, April, and May-from a calendar. Melissa wants to remove spring months from the monthName array. Which of the following methods should Melissa use?

Accepted Answer

A)  springMonths = monthName.slice(2, 5); 
B)  springMonths = monthName.splice(2, 3); 
C)  springMonths = monthName.slice(3, 5); 
D)  springMonths = monthName.splice(5, 3); 
A)  springMonths = monthName.slice(2, 5); 
B)  springMonths = monthName.splice(2, 3); 
C)  springMonths = monthName.slice(3, 5); 
D)  springMonths = monthName.splice(5, 3);

Question 19

Identify the structure of an if statement

Accepted Answer

A)  if (condition) { commands } 
B)  if { }(condition) 
C)  if { commands } 
D)  if { } (condition){ commands 
A)  if (condition) { commands } 
B)  if { }(condition) 
C)  if { commands } 
D)  if { } (condition){ commands

Question 20

Which of the following statements is used to terminate any program loop or conditional statement?

Accepted Answer

A)  for 
B)  while 
C)  pass 
D)  break 
A)  for 
B)  while 
C)  pass 
D)  break

In an array literal, the array values are a space-separated list within a set of curly brackets.

Increasing the value of the length property adds more items to an array, but the items have null values until they are defined.

The while statement is used to exit a program loop before the stopping condition is met.

A _____, which employs the first-in-first-out (FIFO) principle in which the first item added to the data list is the first removed, is similar to a stack.

In an if loop, a variable known as a counter variable is used to track the number of times a block of commands is run.

Which of the following methods creates a new array populated with the elements of array that return a value of true from the callback function?

The _____ statement stops processing the commands in the current iteration of the loop and proceeds to the next iteration instead of stopping the program loop altogether.

The do/while loop is generally used when the program loop should run at least once before testing for the stopping condition.

A(n) _____ is a collection of values organized under a single name.

Identify a compare function that sorts numeric values in descending order.

What is the output of the following code? for (var i = 0; i

Which of the following methods is used to determine the day of the week on which a month starts?

What is the output of the following code? for(var i = 5; i > 0; i--)

Identify the general structure for accessing each value from an array using a for loop.

JavaScript supports logical operators that connect several expressions.

Identify the general structure of a for loop.

Identify the structure of an if statement

Which of the following statements is used to terminate any program loop or conditional statement?

Getting Started With Html5

Getting Started With Css Tutorial

Designing a Page Layout Tutorial

Graphic Design With Css Tutorial

Designing for the Mobile Web Tutorial

Working With Tables and Columns Tutorial

Designing a Web Form Tutorial

Enhancing a Website With Multimedia Tutorial

Getting Started With Javascript Tutorial

Working With Events and Styles Tutorial

Working With Document Nodes and Style Sheets Tutorial

Programming for Web Forms Tutorial

Exploring Object-Based Programming

Filters

Exam 10: Exploring Arrays Loops and Conditional Statements Tutorial

In an array literal, the array values are a space-separated list within a set of curly brackets.

Increasing the value of the length property adds more items to an array, but the items have null values until they are defined.

The while statement is used to exit a program loop before the stopping condition is met.

A _____, which employs the first-in-first-out (FIFO) principle in which the first item added to the data list is the first removed, is similar to a stack.

In an if loop, a variable known as a counter variable is used to track the number of times a block of commands is run.

Which of the following methods creates a new array populated with the elements of array that return a value of true from the callback function?

The _____ statement stops processing the commands in the current iteration of the loop and proceeds to the next iteration instead of stopping the program loop altogether.

The do/while loop is generally used when the program loop should run at least once before testing for the stopping condition.

A(n) _____ is a collection of values organized under a single name.

Identify a compare function that sorts numeric values in descending order.

What is the output of the following code? for (var i = 0; i

Which of the following methods is used to determine the day of the week on which a month starts?

What is the output of the following code? for(var i = 5; i > 0; i--)

Identify the general structure for accessing each value from an array using a for loop.

JavaScript supports logical operators that connect several expressions.

Identify the general structure of a for loop.

Identify the structure of an if statement

Which of the following statements is used to terminate any program loop or conditional statement?

Getting Started With Html5

Getting Started With Css Tutorial

Designing a Page Layout Tutorial

Graphic Design With Css Tutorial

Designing for the Mobile Web Tutorial

Working With Tables and Columns Tutorial

Designing a Web Form Tutorial

Enhancing a Website With Multimedia Tutorial

Getting Started With Javascript Tutorial

Working With Events and Styles Tutorial

Working With Document Nodes and Style Sheets Tutorial

Programming for Web Forms Tutorial

Exploring Object-Based Programming

Filters