Chapter 3: Scrolling and operators

13 tasks, 1 challenge, 1 summary

We will learn how to control scrolling in the browser, and we will also find out more about equality operators and the logical operator AND. We will program a button that will return the use to the top of the page and create filtering for the news site.

1. The onscroll event handler Task

2. The pageYOffset property Task

3. Show the “Up” button Task

4. The scrollTo method Task

5. Scroll page on click Task

6. Finish working on the “Up” button Task

7. Start filtering on the site Task

8. Strict equality operator Task

9. The onchange event handler Task

10. Add a class to news story from the selected category Task

11. Strict inequality operator Task

12. Showing news from a selected category Task

13. The logical operator AND Task

14. Summary of “Scrolling and operators” Summary

15. Test: Rate the site Challenge