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File: index.shtml
Creator: George Ferguson
Created: Mon Oct 15 13:24:55 2012
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File: templates/doc-start.shtml
Creator: George Ferguson
Created: Tue Dec 6 12:31:29 2011
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File: site-settings.shtml
Creator: George Ferguson
Created: Tue Dec 6 13:49:49 2011
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Site (or subsite)-wide settings.
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File: head.shtml
Creator: George Ferguson
Created: Tue Dec 6 12:34:15 2011
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SSI variables for this template:
head_title if given, else ``sitename | title''
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File: head-title.shtml
Creator: George Ferguson
Created: Tue Dec 6 14:29:52 2011
Time-stamp:
SSI variables for this template:
head_title: complete content of title element if given
site_title trailing part of title (if given)
section_title middle part of title (if given)
page_title leading part of title (if given)
title title shown on page, also used as leading part of title (if given)
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(none)
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File: head-meta.shtml
Creator: George Ferguson
Created: Tue Dec 6 14:29:18 2011
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SSI variables for this template:
meta_description
meta_keywords
meta_generator
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File: head-stylesheets.shtml
Creator: George Ferguson
Created: Tue Dec 6 14:22:58 2011
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SSI variables for this template:
site_stylesheet, page_stylesheet
stylesheet0, stylesheet1, ...: URL for stylesheets
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File: head-scripts.shtml
Creator: George Ferguson
Created: Tue Dec 6 14:23:19 2011
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SSI variables for this template:
site_script, page_script
script0, script1, ...: URLs of javascript scripts
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File: body-start.shtml
Creator: George Ferguson
Created: Tue Dec 6 13:20:46 2011
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SSI variables for this template:
body_class
page_class
page_id
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File: body-header.shtml
Creator: George Ferguson
Created: Tue Dec 6 13:46:12 2011
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Content above banner, if any.
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File: body-title.shtml
Creator: George Ferguson
Created: Tue Dec 6 14:34:49 2011
Time-stamp:
SSI variables for this template:
section_name First line of title on page (if any)
title Title shown on page
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CSC170: Introduction to Programming and the Web Fall 2012
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Assignment 6: Functions: Part 1
[2 pts]
Write a function that takes three arguments and returns their mean
(average). Use your function in a page that repeatedly asks the user
for three numbers and then prints the numbers and their mean. Choose
your own stopping condition (sentinel) and make it clear in your
prompt.
[4 pts]
Write a page with a script that includes the following:
A function named writeTableCell that accepts a
single parameter and outputs a table cell containing the
parameter's value to the page's document.
A function named writeTableRow that accepts 3
parameters and outputs a table row with the 3 values as
separate cells.
The script should use these functions to produce a table for values
from 1 to 10 containing the value, the value squared, and the value
cubed. That is, for row i, the columns should
contain i, i2, and i3.
[4 pts]
You're hired by a financial company to spiff up their webpages.
First write a function named futureValue that
computes how much a
given initial sum of money will be worth after a period of time with
compound interest (meaning you reinvest the interest). Your
function should accept the following three parameters:
Initial sum
Interest rate
Number of years
It should return the future value of the initial amount if invested
for the given number of years at the given interest rate compounded
annually. Think what this means and the way to write the function
will be obvious to you. How much will you have after one year?
Then what happens to that the second year? And so on.
Use your function in a page that asks a user for the initial sum of
money, and prints a table with the future value at 1%, 3%, and 5%
return for 1, 5, and 10 years each. That is, the rows of the table are
the different interest rates, the columns are the different terms, and
each cell in the table contains the future value of the initial sum
for the corresponding rate and term.
Things to think about
Every function you define should come with a comment that explains
its purpose (briefly), its arguments, and its return value. Not
only will the TAs be checking for this in your submission, it's
also the Right Thing To Do.
It is important when defining functions to use meaningful names
for both the function and the arguments. This helps immensely in
understanding the code. You can
use CamelCase
or, for a somewhat more retro
look, underscores
for your names.
Does it matter where in your script the functions are defined,
relative to where they are called? Could they be defined in a
separate script element or linked script? Experiment.
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File: doc-finish.shtml
Creator: George Ferguson
Created: Tue Dec 6 13:46:48 2011
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File: body-footer.shtml
Creator: George Ferguson
Created: Tue Dec 6 14:43:56 2011
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Content at bottom of page, if any.
Last update: Tuesday, 16-Oct-2012 15:05:51 EDT
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File: body-finish.shtml
Creator: George Ferguson
Created: Tue Dec 6 13:47:36 2011
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