In previous chapters, we have learned how objects work and how to build our own objects. However, JavaScript also comes with several existing, built-in objects for you to use. These standard objects are the gateway between your program and the rest of the system, including the HTML document, the screen, computer storage, communication facilities, and other important system features. In this chapter, we are going to use the standard document object to interact with the web page.
Note that for the first ...