Note: For the purposes of this lesson, you should save all the files you create in your text editor with .html as your file extension—for example, "my_first_web_page.html".

HTML bookmarks are practical if your business website has long pages. For example, you could create bookmark links to the middle, end or top of a lengthy Web page so users can view the page ...

HTML's DOM, or Document Object Model, lets you replace an iframe's HTML code by giving JavaScript's getElementById function access the "src" attribute. Each iframe must be labeled with a unique ID ...