Question 1

A literal string can be assigned a zero-length string value called a(n)____ string.

Accepted Answer

A)  empty 
B)  undefined 
C)  short 
D)  byte 
A)  empty 
B)  undefined 
C)  short 
D)  byte A

Question 2

In JavaScript code, you use the words yes and no to indicate Boolean values.

Accepted Answer

A) True 
 B)False  False

Question 3

What is a browser console and how is it useful for a web developer?

Accepted Answer

When a browser encounters an error that keeps it from understanding code, it generates an  error message. However, this message is displayed in a pane known as a browser console ,  or simply console , which is hidden by default to avoid alarming users. As a developer,  however, it can be useful to display the browser console pane to see any errors that your code  may generate.

Question 4

A(n)____ tells the compiler or interpreter that the character that follows it has a special purpose.

Accepted Answer

A)  exclamation point 
B)  escape character 
C)  null character 
D)  upper case character 
A)  exclamation point 
B)  escape character 
C)  null character 
D)  upper case character

Question 5

A logical operator is used to compare two string operands for equality.

Accepted Answer

A) True 
 B)False

Question 6

Operator precedence is the system that determines the order in  which operations in an expression are evaluated.

Accepted Answer

The term operator precedence r

Question 7

Explain what logical operators are, and then list the 3 JavaScript logical operators and explain what each does.

Accepted Answer

Logical operators are used to modify Boo

Question 8

The strict equal operator is ____.

Accepted Answer

A)  = 
B)  == 
C)  === 
D)  != 
A)  = 
B)  == 
C)  === 
D)  !=

Question 9

A ____ variable is one that is declared outside a function and is available to all parts of your program.

Accepted Answer

A)  local 
B)  limited 
C)  scoped 
D)  global 
A)  local 
B)  limited 
C)  scoped 
D)  global

Question 10

Which of the following is a falsy value?

Accepted Answer

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

Question 11

A comparison operator is used to compare two operands and determine if one numeric value is greater than another.

Accepted Answer

A) True 
 B)False

Question 12

In JavaScript programming, you can write your own procedures, called ____, which refer to a related group of JavaScript statements that are executed as a single unit.

Accepted Answer

A)  programs 
B)  functions 
C)  modules 
D)  objects 
A)  programs 
B)  functions 
C)  modules 
D)  objects

Question 13

Describe the two types of functions and explain when you'd use each type.

Accepted Answer

JavaScript supports two different kinds

Question 14

The variables or values that you place in the parentheses of a function call statement are called ____ .

Accepted Answer

A) string operators 
B) primitive types 
C) arguments 
D) event listeners 
A) string operators 
B) primitive types 
C) arguments 
D) event listeners

Question 15

Which arithmetic operators have the highest precedence?

Accepted Answer

A)  * / % 
B)  < <= 
C)  && 
D)  + - 
A)  * / % 
B)  < <= 
C)  && 
D)  + -

Question 16

A(n)____________________ operator requires an operand before and after the operator.

Accepted Answer

The answer of A(n)____________________ operator requires an operand before and...

Question 17

A(n)____ statement is a statement that returns a value to the statement that called the function.

Accepted Answer

A)  return 
B)  replace 
C)  value 
D)  exit 
A)  return 
B)  replace 
C)  value 
D)  exit

Question 18

Programming languages that require you to declare the data types of variables are called ____ typed programming languages.

Accepted Answer

A)  dynamic 
B)  strongly 
C)  static 
D)  loosely 
A)  dynamic 
B)  strongly 
C)  static 
D)  loosely

Question 19

What are the advantages of using the addEventListener()method instead of the other two methods to specify an event handler?

Accepted Answer

One drawback of specifying event handler

Question 20

A(n)____________________ variable is declared inside a function and is available only  within the function in which it is declared.

Accepted Answer

The answer of A(n)____________________ variable is declared inside a function...

A literal string can be assigned a zero-length string value called a(n)____ string.

In JavaScript code, you use the words yes and no to indicate Boolean values.

What is a browser console and how is it useful for a web developer?

A(n)____ tells the compiler or interpreter that the character that follows it has a special purpose.

A logical operator is used to compare two string operands for equality.

Operator precedence is the system that determines the order in which operations in an expression are evaluated.

Explain what logical operators are, and then list the 3 JavaScript logical operators and explain what each does.

The strict equal operator is ____.

A ____ variable is one that is declared outside a function and is available to all parts of your program.

Which of the following is a falsy value?

A comparison operator is used to compare two operands and determine if one numeric value is greater than another.

In JavaScript programming, you can write your own procedures, called ____, which refer to a related group of JavaScript statements that are executed as a single unit.

Describe the two types of functions and explain when you'd use each type.

The variables or values that you place in the parentheses of a function call statement are called ____ .

Which arithmetic operators have the highest precedence?

A(n)____________________ operator requires an operand before and after the operator.

A(n)____ statement is a statement that returns a value to the statement that called the function.

Programming languages that require you to declare the data types of variables are called ____ typed programming languages.

What are the advantages of using the addEventListener()method instead of the other two methods to specify an event handler?

A(n)____________________ variable is declared inside a function and is available only within the function in which it is declared.

Introduction to Javascript

Building Arrays and Controlling Flow

Debugging and Error Handling

Working With the Document Object Model Dom and Dhtml

Enhancing and Validating Forms

Using Object Oriented Javascript

Manipulating Data in Strings and Arrays

Managing State Information and Security

Programming for Mobile Devices and Touchscreens

Updating Web Pages With Ajax

Introduction to Jquery

Filters

Exam 2: Working With Functions Data Types and Operators

A literal string can be assigned a zero-length string value called a(n)____ string.

In JavaScript code, you use the words yes and no to indicate Boolean values.

What is a browser console and how is it useful for a web developer?

A(n)____ tells the compiler or interpreter that the character that follows it has a special purpose.

A logical operator is used to compare two string operands for equality.

Operator precedence is the system that determines the order in which operations in an expression are evaluated.

Explain what logical operators are, and then list the 3 JavaScript logical operators and explain what each does.

The strict equal operator is ____.

A ____ variable is one that is declared outside a function and is available to all parts of your program.

Which of the following is a falsy value?

A comparison operator is used to compare two operands and determine if one numeric value is greater than another.

In JavaScript programming, you can write your own procedures, called ____, which refer to a related group of JavaScript statements that are executed as a single unit.

Describe the two types of functions and explain when you'd use each type.

The variables or values that you place in the parentheses of a function call statement are called ____ .

Which arithmetic operators have the highest precedence?

A(n)____________________ operator requires an operand before and after the operator.

A(n)____ statement is a statement that returns a value to the statement that called the function.

Programming languages that require you to declare the data types of variables are called ____ typed programming languages.

What are the advantages of using the addEventListener()method instead of the other two methods to specify an event handler?

A(n)____________________ variable is declared inside a function and is available only within the function in which it is declared.

Introduction to Javascript

Building Arrays and Controlling Flow

Debugging and Error Handling

Working With the Document Object Model Dom and Dhtml

Enhancing and Validating Forms

Using Object Oriented Javascript

Manipulating Data in Strings and Arrays

Managing State Information and Security

Programming for Mobile Devices and Touchscreens

Updating Web Pages With Ajax

Introduction to Jquery

Filters