July 1998
Intermediate to advanced
1456 pages
65h 5m
English
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Name
top — NN n/a IE 4 DOM n/a
Synopsis
Read/Write
For positionable elements, defines the position of the top edge of an element’s box (content plus top padding, border, and/or margin) relative to the top edge of the next outermost block content container. When the element is relative-positioned, the offset is based on the top edge of the inline location of where the element would normally appear in the content.
For calculations on this value, retrieve the
pixelTop or posTop properties,
which return genuine numeric values.
Example
document.all.blockD2.style.top = "40px"
Value
String consisting of a numeric value and length unit measure, a
percentage, or auto.
Default
auto
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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.