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Understanding The JavaScript Event Model (part 2)
Find out how the Event object can be used to manipulate the dimensions of a Web page and intercept keyboard and mouse events

| How's The Weather Up There? |

The "height" and "width" properties return the height and width of the window or frame containing the generated event. Here's how it works:

In this example, on clicking the form button an alert box appears, stating the height of the document:


<html>
<head>
</head>

<body>

<form>
<input type="button" value="Click Me" onClick="alert('This document is ' + document.height + ' pixels tall')">
</form>

</body>
</html>


Or you could even do this:


<html>
<head>
<script language="JavaScript">
function changeWidth()
{
   document.width=40
}
</script>

</head>

<body>

<form>
<input type="button" value="Click Me" onClick="changeWidth()">
</form>

This is a really, really, really, really, really, really, really, really, really, really, really, really, really, really, really, really, really, really, really long string.

</body>
</html>


Now, when you click the button, you'll see that the document width reduces to 40 pixels, and the incredibly long sentence gets cropped to exactly that width.

Before you get all excited, though, you should know that the "width" and "height" properties only work in Netscape Navigator 4.x.


How to do Everything with PHP & MySQL
How to do Everything with PHP & MySQL, the best-selling book by Melonfire, explains how to take full advantage of PHP's built-in support for MySQL and link the results of database queries to Web pages. You'll get full details on PHP programming and MySQL database development, and then you'll learn to use these two cutting-edge technologies together. Easy-to-follow sample applications include a PHP online shopping cart, a MySQL order tracking system, and a PHP/MySQL news publishing system.

Read more, or grab your copy now!


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