JavaScript

Question 1

Which keyword do you use to create a variable?​

Answer 1

var

Question 2

When a client requests a server-side script, a client will never see the server-side script, only the ____ that the web server software returns from the script.

Answer 2

HTML

Question 3

A(n) _____ is a specific circumstance that is monitored by JavaScript and that your script can respond to in some way.

Answer 3

Event

Question 4

Multiple lines of code that are not processed by browsers that are used to add notes about your code are called

Answer 4

Block comments

Question 5

An object is ____ that can be treated as an individual unit or component.

Answer 5

programming code and data

Question 6

When you assign a value to a variable, you use an equal sign, which is also called a(n) __________ operator.

Answer 6

assignment

Question 7

____ can turn static documents into applications such as games or calculators.

Answer 7

JavaScript

Question 8

JavaScript source files that store especially useful generic scripts used on many different websites are known as

Answer 8

libraries

Question 9

The individual lines of code that make up a JavaScript program in a document are called

Answer 9

statements

Question 10

A(n) ____ comment hides multiple lines of code.​

Answer 10

block

Question 11

Special words that are part of the JavaScript language syntax and that can’t be used as variable names are known as​ ____.

Answer 11

reserved words

Question 12

Symbols such as + and * used in expressions to manipulate operands are known as​ ____.

Answer 12

operators

Question 13

Variables and literals contained in an expression are known as ____.

Answer 13

operands

Question 14

____ are lines of code that are not processed by browsers, which you use to add notes about your code.​

Answer 14

comments

Question 15

T/F JavaScript code is always stored in an external file separate from the HTML code for a web document.​

Answer 15

False

Question 16

____ refers to programming using a scripting language that is executed from a web server.

Answer 16

server-side scripting

Question 17

Which method displays a dialog box with an OK button?​

Answer 17

alert()

Question 18

T/F Although JavaScript is considered a programming language, it is also a critical part of web page design and authoring.

Answer 18

True

Question 19

When an event occurs, your script executes any code that responds to that specific event on that specific element.

This code is known as the __________.

Answer 19

event handler

Question 20

A(n) _____ is a specific circumstance that is monitored by JavaScript and that your script can respond to in some way.

Answer 20

expression

Question 21

Some of the more popular server-side scripting languages include

Answer 21

PHP, ASP.NET, and Python

Question 22

Which method do you use to reference an element on a web page in a script?​

Answer 22

getElementById()

Question 23

The procedures associated with an object are called

Answer 23

processes

Question 24

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

Answer 24

False

Question 25

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

Answer 25

False

Question 26

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

Answer 26

Strongly

Question 27

A(n) ____ is a variable that is used within a function.

Answer 27

parameter

Question 28

The strict equal operator is

Answer 28

===

Question 29

Which of the following is a logical operator?

Answer 29

||

Question 30

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

Answer 30

empty

Question 31

You can use an arithmetic operator to return the modulus of a calculation, which is the ____ when you divide one number by another number.

Answer 31

remainder left

Question 32

Which arithmetic operators have the highest precedence?

Answer 32

• / %

Question 33

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

Answer 33

global

Question 34

You can use the compound ____ to combine two strings.

Answer 34

assignment operator

Question 35

Data types that can be assigned only a single value are called ____ types.

Answer 35

primitive

Question 36

Function statements are contained within the function ____.

Answer 36

braces

Question 37

Which of the following is a falsie value?
-1
1
true
0

Answer 37

0

Question 38

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

Answer 38

local