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This JavaScript displays famous and innocuous "Hello, World." message
3 times. Students modify, screen capture, and put it in assignment book.
<H4> Hello, World! </H4>
<!-- JAVASCRIPT 01 WEEK 1 PROF. AUCIELLO -->
<HEAD>
<TITLE>757-01 by YVETTE HANNAH -- TITLE BAR</TITLE>
<SCRIPT LANGUAGE="JavaScript"> // begins JavaScript
function hw02()
{ // note balanced braces.
msg="Hello Brave New World -- Yvette here.. ";
for (i=0; i<3; i++) // basic loop structure.
{ confirm("Confirm message " + msg + "Number of Times "+ i); }
alert("done. 0 to 2 equals 3 times. right?");
}
// does 'alert' require a response?
// what does 'confirm' do?
</SCRIPT>
</HEAD>
<BODY BGCOLOR=yellow text= blue onLoad="hw02()">
<!-- 'onLoad' calls function after Window is loaded. -->
</BODY>
<pre>
STUDENT NAME: Yvette Hannah
CLASS: JAVA -- PROF AUCIELLO
COMMENTS:
Copy this to the clipboard. (scroll down)
Paste to Word and Print it.
<A HREF="75701htm.htm"> Source Listing </A>
VALID COLOR NAMES FOR BACKGROUND AND TEXT (FOREGROUND) ARE:
RED BLUE GREEN YELLOW
BLACK CYAN DARKGREY GRAY
LIGHTGRAY MAGENTA ORANGE PINK
WHITE
ACTIVITIES: [Answer these questions for 100 points, include
with pasting of screen, put in HW Book. Write
answers on this page.]
. FIND COLORS THAT WORK FOR YOU. CHANGE BACKGROUND AND FOREGROUND COLORS.
. find a list of all colors.
. research using RGB (HEX) VALUES ("FFFF")
. How to make a comment in HTML
. Where does "TITLE" display?
. What is the difference between "confirm" and "alert"?
(Find answer from book or by "discovery" or both.
Learn to use both methods.)
. Note syntax of "for" statement.
Change loop counter to another number.
. What is the value of 'i' when alert is activated?
. What event starts function hw02?
. Experiment with H1, H2, H3 tags to learn.
. Note catenation operator (+) that allows constants
(like Hello World) to be displayed next to variables
(like i) which is a loop counter.
. look up 'catenation'
. What does 'pre' do?
</pre>
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