What You Can Do with JavaScript That You Can’t Do with HTML
The most important feature that JavaScript can add to a web site design is the capability to introduce dynamic interactivity into pages. The concept of dynamic interactivity implies change in response to an action. For example, a design might be one that seeks to engage the viewer in the page. By having page elements that respond to the viewer’s action, the designer can have a page that interacts with the viewer rather than just sitting there for the viewer to look at. In one respect, HTML sites are interactively dynamic because the viewer navigates to different places in the site depending on where she clicks on the page. However, the pages themselves are fairly static. With dynamic ...
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