Section 15.0. Introduction
Section 15.1. Displaying a Random Aphorism
Section 15.2. Converting a User Selection into an Arbitrary Element
Section 15.3. Automating the Search-and-Replace of Body Content
Section 15.4. Creating a Slide Show
Section 15.5. Auto-Scrolling the Page
Section 15.6. Greeting Users with Their Time of Day
Section 15.7. Displaying the Number of Days Before Christmas
Section 15.8. Displaying a Countdown Timer
Section 15.9. Creating a Calendar Date Picker
Section 15.10. Displaying an Animated Progress Bar
