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December 3, 2000 Modifying Options on the Fly in IE Tips: December 2000
Yehuda Shiran, Ph.D.
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In tip 001201, we showed how Netscape 6 uses the DOM to let you modify options of the SELECT element, on the fly. Internet Explorer (as well as Netscape 6) supports it in the un intuitive way of looping through the OPTION objects with the item() method. The following drop-down menu includes two entries, Al Gore and George W. Bush. Here is the HTML code for this menu:
The button on the right hand side has the following event handler:
Examine carefully the two menu options: Al Gore and George W. Bush. Click the button. In both Netscape 6 and Internet Explorer, the first option will be changed to "Bill Clinton". Read more about the DOM in Columns 40, The DOM, Part I: Analysis, through 47, A DOM-Based Snakes Game, Part II.
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