Basics of Web Design: HTML5 & CSS3 (3rd Edition)
3rd Edition
ISBN: 9780133970746
Author: Terry Felke-Morris, Terry Morris
Publisher: PEARSON
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Chapter 5, Problem 4RQ
Program Description Answer
The “alt” is an attribute which is used to specify the alternative text of the element or image when the browser does not support the graphics.
Hence, the correct answer is option “A”.
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Purpose
To review more advanced aspects of user interfaces and event handlers
Directions
Create an interface for a program that looks like the one in the first image below.
Then add an event handler to the JSlider that changes the font size of the text in the
JTextArea according to the value on the slider, as illustrated in the second image.
Note: These directions are intentionally vague. Use the internet and whatever other
resources you have available to try to piece together how to do this. Be sure to cite
any sources you use as comments in your code.
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Suppose there is a text box on your browser window called FirstName. When you scroll up or down, the text box does not move at all while other elements on the page do move. What value for the position property would FirstName have?
A) absolute
B) relative
C) fixed
D) static
Design and implement a calculator using HTML, CSS (with Bootstrap) and JavaScript. The calculator will only run in the browser, and must not depend on any server side scripting (C#).
Functional requirements:
-A display that shows entry and results
-Number buttons on the calculator
-Supports resetting the calculator (C function)
-Supports clearing the current entry (CE function)
-Handles user errors (e.g. pressing "5++5" leads to "5+5", pressing "5+-5 leads to "5-5")
-Supports using the result in the next calculation
Each element of the calculator needs to be labeled with the following HTML id attribute:
Display: display
Each number button must have the following IDs: 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'
+ button: 'plus'
- button: 'minus'
* button: 'multiply'
/ button: 'divide'
= button: 'equals'
C button: 'reset'
CE button: 'clear'
IDs are used to find buttons on the page, correctly labeling HTML elements with IDs is important for the tests to…
Chapter 5 Solutions
Basics of Web Design: HTML5 & CSS3 (3rd Edition)
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