Section 13.7. Questions

13.7. Questions

1. Though it seems to defy the concept of Ajax, an XMLHttpRequest can be synchronous (wait for response). How would you open such a request?

2. Once a request receives a response, it needs to be processed. How do you attach a function to call when the service responds?

3. What are the two states for a successful, and completed, request?

4. What are the three data formats you can use with a response, and what are the advantages of each?

5. Modify the Google Maps application in Example 13-6 to include a custom icon stored in a file called myicon.png.

Answers are provided in the appendix.