Project #3CMSC122
Due Friday March 13 6:00 pmSpring 2009

Objective

To practice functions, forms, and event handling.

Overview

For this project you will write a guessing number game. The program will generate a random value in a range of values specified by the user, and will process the user guesses. You do not need to provide pseudocode for this project, but you are encourage to develop it for your own benefit.

The following files are associated with this project: Proj3.zip.

Specifications

You must define a form with the text fields and buttons you can see in the Sample Run. The text areas will allow the user to specify the upper and lower limits associated with the range of values from which your program will select a random value. The "PlayGame" button will start the game (your program will choose a random value and start asking the user for guesses). The "ResetValues" button will restore the default values associated with the limits. The following provides additional information regarding the functionality of the program.

• The default values of the lower and upper limits are one and three, respectively.
• The upper and lower limit values can be selected as numbers to be guessed.
• The program will generate a random value (target value) the user needs to guess.
• After generating the target random value the program will ask the user for a guess (using the dialog box you see in the Sample Run). If the guess is correct, the program will create a pop-up window with the "congratulations.html" file. Otherwise, the program will ask the user whether he/she wants to continue playing (see Sample Run for the dialog box to use). The program will keep asking the user for guesses (and comparing against the target value) as long as the user wants to keep playing. If the user decides to stop playing, the program will display the expected guess (target value) and will end. Notice the program will not create a new target value each time the user fails to provide a correct answer.
• You must define and use the following functions:
  1. playGame - This function has no parameters. This function generates the random value, ask the user for guesses, and processes the responses.
  2. getRandomValue - This function has two parameters that represent the lower and upper limits, respectively. The function will return a random value in the specified range. You must use the Math.random() function to compute the random value.
  3. main - You must have a main function whose only task is to associate the "PlayGame" button with the playGame function.

Requirements

• You must name your file p3.html.
• You must use good identation.
• You must use meaningful variable names.
• You may not use global variables
• You may not add functions besides the ones specified above.
• You may not modify the congratulations.html file.
• Your code must validate according to http://validator.w3.org/#validate-by-upload.

Sample Run

The application video illustrates the functionality associated with the program.

Submission

To submit your project, follow these steps:

1. Create a zip file that includes the Proj3 folder.
2. Upload the zip file you created in the previous step using the submit server available at: https://submit.cs.umd.edu:8443/. Make sure you select the submit server entry (Project #3) that corresponds to this project.
3. After submitting your project make sure you download the submitted file and verify that what you have submitted is correct. Please do not e-mail your project.

Academic Integrity

Please make sure you read the academic integrity section of the syllabus so you understand what is permissible in our programming projects. We want to remind you that we check your project against other students' projects and any case of academic dishonesty will be referred to the University's Office of Judicial Programs.