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'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 ...

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 ...