Deck 1: Introduction to Javascript

Question 1

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

A) Host-side scripting
B) Client-side scripting
C) Servlet-side scripting
D) Server-side scripting

Answer 1

D

Question 2

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

A)variable
B)element
C)line
D)block

Answer 2

D

Question 3

An HTML document is a text document that contains codes called ____.

A) elements
B) tags
C) styles
D) rules

Answer 3

B

Question 4

A system consisting of a client and a server is known as a ____ system.

A) traditional
B) three-tier
C) monolithic
D) two-tier

Question 5

____ was established in 1994 at MIT to oversee the development of web technology standards.

A) The University of Illinois
B) The W3C
C) Microsoft
D) Netscape

Question 6

The procedures associated with an object are called ____.

A) methods
B) processes
C) attributes
D) functions

Question 7

Elements that do not require a closing tag are called empty elements.

Question 8

JavaScript code is always stored in an external file separate from the HTML or XHTML code for a web document.

Question 9

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

A)methods
B)comments
C)variables
D)properties

Question 10

In the client/server system, one of the primary roles of the client, or front end, is to ____.

A) carry out complex data processing
B) provide for data storage
C) send email
D) present an interface to the user

Question 11

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

A) HTML
B) XHTML
C) JavaScript
D) Cascading Style Sheets

Question 12

Like HTML, XHTML is not case sensitive.

Question 13

You can place script  elements in either the document head or in the document body.

Question 14

Some of the more popular server-side scripting languages include ____.

A) C, C++, and CGI
B) JScript, Livescript, and ECMAScript
C) PHP, ASP.NET, and Python
D) VBS and JScript

Question 15

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.

A) email sent
B) program executing
C) HTML
D) raw data requested

Question 16

A(n)____ comment occupies only a single line or part of a line.

A)variable
B)element
C)line
D)block

Question 17

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

A) state and contents
B) file and data
C) formatting and color
D) programming code and data

Question 18

A three-tier, or multitier, client/server system consists of three distinct pieces: These are ____.

A) the client tier, the processing tier, and the data storage tier
B) the client tier, the design tier, and the processing tier
C) the storage tier, the distributing tier, and the processing tier
D) the email tier, the messaging tier, and the data storage tier

Question 19

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

Question 20

On client/server systems, heavy processing, such as calculations, usually takes place on the ____.

A) client
B) server
C) middle-ware
D) browser

Question 21

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

Question 22

Which method displays a dialog box with an OK button?

A) write()
B) alert()
C)onclick()
D)getElementById()

Question 24

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

Question 25

A document on the web is called a web page and is identified by a unique address called the _________________________.

Question 26

Discuss case sensitivity in JavaScript.

Question 27

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 __________.

Question 28

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

A) write()
B) alert()
C)onclick()
D)getElementById()

Question 29

Explain what a library is and what it is used for, and name one commonly used library.

Question 30

What does each of the following statements do?
document.write("Plant choices");
window.alert("Plant choices");

Question 31

Describe why it's important to validate web documents, and how to do it.

Question 32

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

A)identifiers
B)reserved words
C)operands
D)operators

Question 33

Describe how events are useful in JavaScript code.

Question 34

What is client-side scripting, and how is it related to the JavaScript language?

Question 35

What are the components that make up a JavaScript object?

Question 36

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

A)operators
B)variables
C)events
D)properties

Question 37

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

A)operators
B)operands
C)events
D)properties

Question 38

Which keyword do you use to create a variable?

A) for
B) value
C) assign
D) var

Question 39

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

Question 40

Where does a script element usually go in an HTML document, and why?

Question 41

Under what circumstances would you use server-side scripting?

Question 42

What does the following code do?
var fname = document.getElementById("firstName");