Deck 8: Creating Forms With Javascript

Question 1

A stereo button is an input control that allows the user to select any number of options from a set of options.

Answer 1

False

Question 2

Returning a value means that whenever any other function calls this function,its name is essentially replaced by the value it returns.

Answer 2

True

Question 3

When the server receives the form data,it is processed by another program that is typically written in ASP,JSP,PHP,or some other ____ scripting/programming language.

A) client-side
B) server-side
C) form-specific
D) browser-specific

Answer 3

B

Question 4

JavaScript statements can use a single equal sign ( = )or two equal signs ( == ).

Question 5

In addition to using the Backspace or Delete key to correct mistakes,it is customary for Web page designers to include some type of clear ____ that allows the user to erase all form entries with a single click and start over.

A) wizard
B) button
C) menu
D) shortcut

Question 6

For many years,the C and C++ languages have been criticized because they allow the programmer to easily confuse the assignment operator with the comparison operator.____________________

Question 7

Server-side script looks a lot like JavaScript code,but it is processed in a very different fashion.

Question 8

JavaScript is capable of sending information to another location.This data transfer normally travels through a(n)HTML connection,eventually arriving at a Web server somewhere.____________________

Question 9

If the user forgets to fill out a portion of a form,it is an easy task for JavaScript to detect the absence of required data and alert the user accordingly.

Question 10

Server-script programs are capable of many different functions,but they are most frequently used to update a transaction system.____________________

Question 11

Practically every business that provides its customers with electronic forms that collect data has the need to ____ the data to ensure that customers have entered appropriate and complete information.

A) scan
B) validate
C) correct
D) process

Question 12

There are several JavaScript events that can be used to add some "intelligence" to simple HTML form components.

Question 13

The NOT operator is most commonly used when the programmer wants to test for a true condition.

Question 14

Returning a value means that whenever any other function calls this function (such as the doSubmit()function),its name is essentially replaced by the value it returns.____________________

Question 15

To create an effective order form,you must first define its appearance on the Web page by using the appropriate JavaScript tags.

Question 16

To validate the contents of a text field,the program checks the contents of the object's name property to see if it contains an empty string.____________________

Question 17

You name each of the interactive objects in an HTML form (also called ____)so that they can be referenced within JavaScript code.

A) components
B) pieces
C) parcels
D) packets

Question 18

A meaningless sequence of gibberish or cryptic symbols can be a string,and there is virtually no limit to the length of a string.

Question 19

Like C,C++,and Java,JavaScript gives you the ability to invert the value of a logical variable with the NO operator (&).

Question 20

A ____ button is an input control that allows the user to select just one option from a set of options.

A) television
B) choice
C) radio
D) choose

Question 21

____________________ is the process of checking user input data to make sure that it is complete and accurate.

Question 22

You begin the process of creating a fully functional,robust form by ____.

A) identifying the various objects in the HTML form with which the users interact
B) defining the general layout of the form on a Web page
C) writing the JavaScript functions that are invoked when the user triggers a specific JavaScript event
D) giving each of these interactive objects a name

Question 23

In the case of C,C++,Java,and JavaScript,the assignment operation is accomplished with the ____ character(s).

A) "="
B) "= ="
C) "+"
D) "+ +"

Question 24

Old-style stereo systems used mechanical radio buttons that were usually ____,so the Windows programmers gave this shape to their radio buttons.

A) square
B) round
C) oval
D) rectangle

Question 25

Case 8-1
Carmella is putting together an order processing system for her local pizza parlor, Pete's Italian Pies.
In the JavaScript below,Carmella realizes that the doSubmit()function does nothing more than invoke the JavaScript ____ method.
< script>
Function doSubmit()
{
Alert("Your pizza order has been submitted.");
Return;
}
< /script>

A) script()
B) alert()
C) submit()
D) function()

Question 26

A string can consist of ____.

A) a single word
B) a complete sentence
C) an entire chapter of a book
D) all of the above

Question 27

In the case of C,C++,Java,and JavaScript,the comparison operation is accomplished with the < sup> < /sup>____ character(s).

A) "="
B) "= ="
C) "+"
D) "+ +"

Question 28

FIGURE 8-2

Referring to Figure 8-2 above,which of the following statements is NOT true ____.

A) The section contains a heading
B) The section contains three radio buttons
C) The radio buttons have different labels
D) The radio buttons have different names

Question 29

The ____ attribute of input controls can be "text," "radio," or "checkbox."

A) value
B) text
C) string
D) type

Question 30

Case 8-2
David is adding a clear form feature to the Pete's Italian Pies Web site, and has written the following code:
function doClear() {
document.PizzaForm.customer.value = "";
}
Referring to David's JavaScript above,the text control is assigned the name ____,and it is an element within the form object that you named PizzaForm.

A) document
B) Pizza
C) value
D) customer

Question 31

Case 8-1
Carmella is putting together an order processing system for her local pizza parlor, Pete's Italian Pies.
In testing the JavaScript below,Carmella discovers that the onClick event looks and acts like the ____ events she used in another project.
< input type="button" value="Submit Order" onClick="doSubmit()">

A) onMouseOver
B) onMouseOut
C) onLoad
D) all of the above

Question 32

A completed form consists of headings,labels,and user ____ controls.

A) output
B) input
C) message
D) alert

Question 33

You can invert a true value to false or a false value to true by placing a single ____ in front of the variable.

A) !
B) $
C) %
D) +

Question 34

Case 8-2
David is adding a clear form feature to the Pete's Italian Pies Web site, and has written the following code:
function doClear() {
document.PizzaForm.customer.value = "";
}
Referring to David's JavaScript above,the form object is contained with the ____ object.

A) document
B) Pizza
C) value
D) customer

Question 35

Whenever a variable (or ____ return value)is being compared to the false value (== false),the comparison can be shortened by using the ! operator instead.

A) function
B) form
C) property
D) operator

Question 36

A JavaScript function can be invoked (or ____)when the user clicks the Submit Order button.

A) called
B) signaled
C) invited
D) stored

Question 37

To get the Submit Order button to call a JavaScript function when it is clicked,you need to make use of a JavaScript ____.

A) event
B) method
C) parameter
D) property

Question 38

FIGURE 8-1

Referring to Figure 8-1 above,the following field is NOT left-aligned using a non-breaking space ____.

A) Name
B) State
C) Phone
D) City

Question 39

With ____ you will receive a compilation error if you attempt to use the wrong operator.

A) C and C++
B) JavaScript
C) Java
D) all of the above

Question 40

The validateText()function can only return one of two possible values: ____.

A) false or true
B) no or yes
C) null or void
D) fail or pass

Question 41

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
a.Check box
b.String
c.Controls
d.Radio button
e.Text field
Interactive objects in an HTML form

Question 42

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
a.Check box
b.String
c.Controls
d.Radio button
e.Text field
Sequence of one or more characters

Question 43

To validate a set of radio buttons,you need to test the value of each object's ____________________ property to see if it is set to true or false.

Question 44

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
a.Check box
b.String
c.Controls
d.Radio button
e.Text field
Input control that allows the user to select just one option from a set of options

Question 45

The JavaScript event called ____________________ is triggered whenever an input control of type button is clicked.

Question 46

It is essential for programmers to give the user some kind of visual or auditory clue as to what the program is doing or when it has completed its operation.Name five different ways that you can be notified by a program of its status.Imagine that you were selling circus tickets online.What are two ways you could notify users of the purchase process status?

Question 47

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
a.Check box
b.String
c.Controls
d.Radio button
e.Text field
Input control that allows the user to enter a string value into a specific location on the Web page

Question 48

The term radio button has been around the software industry ever since Microsoft introduced its ____________________ operating system in the late 1980s.

Question 49

The validateText()function returns a(n)____________________.

Question 50

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
a.Check box
b.String
c.Controls
d.Radio button
e.Text field
Input control that allows the user to select any number of options from a set of options