Let's Learn from Examples
Every programmer had experience about "Hello World". All the examples listed here are "Hello World" on it's own, it is simple enough so that people who have no experience with the topic can easily understand it. You can modify the code, test the result or copy the code and try it. They are not "code snippet" but standalone and complete example. Enjoy it.
Challenge How to: Cell padding
Challenge How to: Nested list 2
Challenge How to: Insert a script
Challenge How to: Define Charsets in HTML document
Challenge How to: An image as a link