Chapter 2

Question 1

T/F In JavaScript code, you use the words yes and no to indicate Boolean values

Answer 1

False

Question 2

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

Answer 2

True

Question 3

T/F A logical operator is used to compare two string operands for equality

Answer 3

False

Question 4

T/F Parentheses are used with expressions to change the associativity with which individual operations in an expression are evaluated

Answer 4

True

Question 5

T/F An anonymous function is a set of related statements that is assigned a name

Answer 5

False

Question 6

In JavaScript you can write your own procedures called (Blank) which refer to a related group of JavaScript statements that are executed as a single unit

Answer 6

functions

Question 7

parameter

Answer 7

a variable that is used within a function

Question 8

return statement

Answer 8

a statement that returns a value to the statement that called the function

Question 9

global variable

Answer 9

variable that is declared outside a function and is available to all parts of a program

Question 10

Data types that can be assigned only a single value are called (Blank) types

Answer 10

primitive

Question 11

Programming languages that require you to declare the data types of variables are called (Blank) typed

Answer 11

strongly/statically

Question 12

JavaScript is a (Blank) typed programming language

Answer 12

loosely/dynamically

Question 13

integer

Answer 13

a positive or negative number with no decimal places

Question 14

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

Answer 14

empty

Question 15

You can use the compound (Blank) to combine two strings

Answer 15

assignment operator (+=)

Question 16

escape character

Answer 16

tells the compiler or interpreter that the character that follows has a special purpose

Question 17

===

Answer 17

strict equal operator

Question 18

modulus

Answer 18

remainder left after you divide one number by another number

Question 19

&&

Answer 19

and operator

Question 20

?!

Answer 20

conditional expression

Question 21

Operator Precedence

Answer 21

Multiplication, Division, Modulus
Addition, Subtraction, Comparison
Object Type
Object Property
Equality
Logical And
Logical Or
Conditional
Assignment
Compound Assignment
Comma

Question 22

&&, | |, !

Answer 22

Logical Operators. And, Or, Not

Question 23

Six Falsy Values

Answer 23

””, -0, 0, NaN, null, undefined

Question 24

Function Statements are contained within the function (Blank)

Answer 24

braces

Question 25

arguements

Answer 25

variables or values that you place in the parentheses of a function call statement

Question 26

Placing a parameter name within the parentheses of a function definition is the equivalent of declaring a new (Blank)

Answer 26

variable

Question 27

data type

Answer 27

the specific category of information that a variable contains

Question 28

Sending arguments to the parameters of a called function is called (Blank)

Answer 28

passing arguments

Question 29

local variable

Answer 29

variable declared inside a function and only available within that function

Question 30

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

Answer 30

binary operator