Many sites on the Web provide free samples of JavaScript code that you can copy and paste into your own web pages. Knowing a little JavaScript, including what you learn from this course, can help you understand and adapt these scripts to your needs. Browse a few of these sites, and try out some examples. (Hint: Try searching for keywords like JavaScript snippets or free JavaScript.) What is the coolest or most useful JavaScript example you found? Describe what it does, where you found it, and how it could be used on a website.