July 1998
Intermediate to advanced
1456 pages
65h 5m
English
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Name
defaultChecked — NN 2 IE 3 DOM 1
Synopsis
Read/Write
Whether the element has the CHECKED attribute set
in the tag. You can compare the current checked
property against defaultChecked to see whether the
state of the control has changed since the document loaded. Changing
this property does not affect the current checked
status.
Example
var cBox = document.forms[0].checkbox1
if (cBox.checked != cBox.defaultChecked) {
process for changed state
}Value
Boolean value: true | false.
Default
Determined by HTML tag attribute.
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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.