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When the user enters some characters in the text box, the script selects the corresponding option. However, the user may also select an option directly with the mouse. When the user changes the current selection, the
The first statement terminates the function immediately if the user is not running Navigator 4.0x or Internet Explorer 4.0x, or if the browser is the Macintosh version of Navigator 4.0x. The text field simply doesn't exist otherwise, because that's how we designed it. The second statement assigns a reference of the form to a local variable named
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Created: March 11, 1998
Revised: March 11, 1998
URL: http://www.webreference.com/js/column15/update.html