To Lecture Notes

IT 130 -- 2/17/10

Review Questions

1. Write a JavaScript statement that causes the image control with id=imgDog to display boxer.jpg.
   Ans:
   Using name: document.images.imgDog.src = boxer.jpg;
   Using id: document.getElementById(imgDog.src) = boxer.jpg;
   
    
2. Write a JavaScript statement that assigns the value of the variable n to the textbox with id=txtInput.
   Ans:
   Using name: document.frmA.txtInput.value = n;
   Using id: document.getElementById(txtInput).value = n;
    
3. Write HTML code for a dropdown menu ddmCities that displays the three city names Atlanta, Chicago, and Philadelphia.
   Ans:
   <select name=ddmCities>
   <option>Atlanta</option>
   <option>Chicago</option>
   <option>Philadelphia</option>
   </select>
    
4. Write a JavaScript statement that copies the selected item from ddmCities into the textbox txtCity.
   Ans document.frmA.txtCity.value = document.frmA.ddmCities.value;

Page with Navigation

• A page with side navigation bar that uses layers (div tags) for positioning:
   
  
  greece-page.htm
  
  
• The modern method of laying out pages is to use a CSS stylesheet to position layers specified by div tags.
   
  
• Here is the CSS style page: greece-styles.css.

Structured Programming

• Structured Programming in JavaScript

Using Decision (If Statements)

• Look at the source code of these examples:
  TemperatureDescriptors  Overtime   TrueFalseQuiz   ConsultantBSGenerator   VotingMachine

Project Proj6

• Look at these examples: true-false-quiz2.htm and pass-fail.htm.
   
• Work on Project 6.