You have been introduced to the vitality and timeliness of DOM now. Resources will become available for you at the end of this lesson to learn more. I hope you will take the initiative, because DOM is surely a way forward for dynamic content.
Here, together in our lesson, we shall concentrate on a few methods, or techniques, at the elementary level of DOM. These have been used quite widely for a while. They are powerful. You should be able to use them immediately.