IFSC 3300

Ajax Study Exercises

1. Consider the first "Try It Yourself" example in the "AJAX Intro" lesson. Provide comments for each line in the <script>.

2. Consider the first "Try It Yourself" example in the "AJAX Intro" lesson. Change the code snippet

if (this.readyState == 4 && this.status == 200)

to use 2 instead of 4. What happens? Why?

3. Consider the first "Try It Yourself" example in the "AJAX Intro" lesson. If you delete the code snippet

if (this.readyState == 4 && this.status == 200)

what happens? Why?