17.6. Event-Driven Programming in Web Development

Try these first

1. 1.

   What is an event listener in JavaScript?

   Hint

   Think about actions users take in a web app.

2. 2.

   What does AJAX stand for?

   Hint

   Focus on its asynchronous nature.

3. 3.

   What does EDP stand for?

   • Event-Driven Programming
   • Enqueued Data Processing
   • Electronic Data Processing

   Hint

   Think about the role of events in programming.

4. 4.

   True or False: AJAX allows for synchronous data loading.

   • True
   • False

   Hint

   Consider how data is processed while the app remains responsive.

5. 5.

   Create a simple web page with a button that, when clicked, changes the text of a paragraph. Explain how you used EDP concepts to achieve this.

   Hint

   Think about how you can use document functions to manipulate the DOM.

6. 6.

   Discuss how you would handle multiple asynchronous requests (AJAX) in a web application while maintaining good user interaction.

   Hint

   Consider how to prevent blocking operations in user interfaces.