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Deck 18: A Javascript Program

Question

JavaScript is designed for web applications .

Use Space or

to flip the card.

Question

The variables for The Bean Counter JavaScript program in the textbook are declared right before the opening <body> tag and inside <script> </script> tags .

Question

The <hr/> tag is used to display a horizontal line .

Question

The best way to develop a program is start writing code and modify it as needed .

Question

JavaScript code is entered between <script> . . . </script> tags .

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JavaScript is an event-based programming language .

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In programming, when two strings are compared, the comparison is not case sensitive .

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Creating the buttons that are needed on a form is called initialization .

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A web page can only have one form .

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Event handlers are limited to a single JavaScript statement .

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A good application to build an HTML web page is

A) Google Docs
B) Word
C) AppleWorks
D) Notepad++

Question

UI stands for

A) uniform interface
B) user interface
C) union interface
D) uniform IP

Question

A grid of rows and columns can be created using which of the following tags?

A) <grid> . . . </grid>
B) <column><row> . . . <row></column>
C) <row><column> . . . </column></row>
D) <div> . . . </div>

Question

In JavaScript output displayed in a popup box can be produced with the ________ command .

A) printout
B) alert
C) display
D) lprint

Question

To keep an area of page that contains related content together on a web page, use the ________ tag pair .

A) <area> . . . </area>
B) <section> . . . </section>
C) <body> . . . </body>
D) <grid> . . . </grid>

Question

To center a section of a web page within <section> . . . </section> tags, with CSS, use which of the following style definitions?

A) section {text-align: auto }
B) section {margin-left: center; margin-right: center;}
C) section {margin-left:auto; margin-right: auto; }
D) section {margin: center;}

Question

The ________ performs a task that responds to an event .

A) error handler
B) event handler
C) input processor
D) input handler

Question

When a button is clicked in a form

A) a click event is generated
B) a dialog box is displayed
C) the form closes
D) the form is deleted

Question

An advantage of the <button> tag over <input type = "button"> is that

A) it allows some control over the displayed size
B) only one input button is allowed on any HTML form
C) it supports the onclick which input does not
D) the <button> can contain any HTML, including an image

Question

Which tag is used to implement menu options?

A) <checkbox> . . . </checkbox>
B) <select option> . . . </select option>
C) <textbox> . . . </textbox>
D) <select> . . . </select>

Question

A <select> tag surrounds a series of ________ tags and ends with a closing </select> tag .

A) <option> . . . </option>
B) <radio> . . . </radio>
C) <textbox> . . . </textbox>
D) <checkbox> . . . </checkbox>

Question

Which of the following statements is TRUE, given:
<button onclick = 'ounce = 8'> Small </button>

A) This is an error: <button> doesn't use a closing tag .
B) The first equals sign is HTML, the second is JavaScript .
C) This is an error: only one equals sign is allowed .
D) This will set both onclick and ounce to 8 .

Question

Given the following statement, when will the event be generated?
<button onclick = 'ounce = 8'> Small </button>

A) when the user clicks Small
B) when the value of ounce is 8
C) when the value of ounce is Small
D) When the user enters 8

Question

Which of the following is an advantage to using a strategy of breaking a programming task into small pieces and testing the program after each piece is created?

A) Errors are easily fixed because we know exactly where they are located .
B) No task is overly complex .
C) Errors are easily identified .
D) All of these

Question

Which of the following would display result as 4 . 50, given the code below?
Cost = 9 . 00;
New_cost = cost/2

A) result = (Math . round(new_cost*100)/100) . toFixed(2);
B) result = (Math . round(new_cost*100)/100);
C) result = (Math . round(new_cost*100) . toFixed(2));
D) result = (Math . round(new_cost));

Question

What is the value of the variable shipping if cost = 50 and country = "Canada"?
If (cost < 50 && country == "Canada")
Shipping = 6 . 00;
If (cost < 100 && cost > 49 && country == "Canada")
Shipping = 9 . 00;
Else
Shipping = 12 . 00;

A) 12 . 00
B) 9 . 00
C) 6 . 00
D) cannot tell since the else clause does not specify the conditions

Question

Which of the following will produce a radio button with the name size and the label Medium?

A) <input type="pick" name="size" onclick=" . . . "/>"Medium"<br/>
B) <input type="radio" name="pick" onclick="Medium"/><br/>
C) <input type="radio" name="size" onclick=" . . . "/>Medium
D) <input type="radio" name="size" onclick="Medium"/>

Question

Given the following styles in the <head> section of a web page, what would the page look like?
<style type = "text/css">
Body {background-color: green; color: white;}
H1 {text-align: center; color: blue;}
P {color: red;}
</style>

A) all text except h1 text and p text will be green
B) green background with all text white except h1 text will be blue and centered and p text will be red and not centered
C) green background, all text centered with blue h1 text and all other text red
D) green background with all text white except h1 text will be blue and centered and p text will be red and centered

Question

Select all that apply . Which of the following are steps to take when building a web application?

A) revise the page and the programming logic to make improvements
B) use event driven programming to create working form elements
C) create a program to join the GUI to the UI
D) build the interface

Question

Select all that apply . Which of the following are form input elements?

A) text box
B) radio button
C) check box
D) form name

Question

The first step in programming is to create a(n) ________ .

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Buttons and checkboxes are ________ of forms .

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________ tags must surround all of the input elements .

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A(n) ________ is an indication from the computer that something just happened (for example, a mouse click) .

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A programming style that responds to things that happen, such as a mouse click or an entry into an input box, is known as ________ programming .

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In JavaScript, a(n) ________ attribute tells the browser how to respond to an event .

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Setting the initial values for the variables in a program is called ________ .

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The value ________ of an input element with type = "button"provides the label on the button .

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The type for an input element that can provide both the input and output of numeric or string values is ________ .

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Deck 18: A Javascript Program

JavaScript is designed for web applications .

True

The variables for The Bean Counter JavaScript program in the textbook are declared right before the opening <body> tag and inside <script> </script> tags .

False

The <hr/> tag is used to display a horizontal line .

True

The best way to develop a program is start writing code and modify it as needed .

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