July 1998
Intermediate to advanced
1456 pages
65h 5m
English
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Name
selectedIndex — NN 2 IE 3 DOM 1
Synopsis
Read/Write
The zero-based integer of the option selected by the user. If the
SELECT element is set to allow multiple
selections, the selectedIndex property returns the
index of the first selected item (see the selected
property). You can use this property to gain access to the value or
text of the selected item, as shown in the example.
Example
var list = document.forms[0].selectList var listValue = list.options[list.selectedIndex].value
Value
Positive integer.
Default
None.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.