If you open the index.html file in your web browser you will be able to try all of the code examples from this one page.

You should be able to double click on this file to open it in your browser. If this does not work, open your web browser, go to the File menu, select open and browse to find the file on your computer.

You can also try these examples online at http://www.kalaeducation.com/online-materials/html-css/code-samples/index.html