The Browser Environment | Object-Oriented JavaScript

Exercises

In the previous chapters, the solutions to the exercises could pretty much be found in the text of the chapter. This time, some of the exercises might require you to do some more reading (or experimentation) outside this book.

BOM
As a BOM exercise, try coding something wrong, obtrusive, user-unfriendly, and, all in all, very Web 1.0: the shaking browser window. Try implementing code that moves the window around as if there's an earthquake. All you'll need is one of the move*() functions, one or more calls to setInterval() and maybe one to setTimeout() to stop the whole thing. Or how about opening a 200x200 popup and then resizing it slowly and gradually to 400x400? Or here's an easier one: print the current date/time in the status bar (window.status) and update it every second, like a clock. Note that for these exercises, you need to allow some features in your browser that are typically disabled by default, since people got fed up with such "effects" that only worsen the user...

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Object-Oriented JavaScript

Object-Oriented JavaScript

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Exercises

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