The HTMLElement.offsetTop
read-only property returns the distance of the current element relative to the top of the offsetParent
node.
Syntax
topPos = element.offsetTop;
Parameters
topPos
is the number of pixels from the top of the closest relatively positioned parent element.
Example
var d = document.getElementById("div1"); var topPos = d.offsetTop; if (topPos > 10) { // object is offset more // than 10 pixels from its parent }
Specification
Specification | Status | Comment |
---|---|---|
CSS Object Model (CSSOM) View Module The definition of 'offsetTop' in that specification. |
Working Draft |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
offsetTop | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 8 | Opera Full support 8 | Safari Full support 3 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 10.1 | Safari iOS Full support 1 | Samsung Internet Android Full support 1.0 |
Legend
- Full support
- Full support
In compliance with the specification, this property will return null
on Webkit if the element is hidden (the style.display
of this element or any ancestor is "none"
) or if the style.position
of the element itself is set to "fixed"
.
This property will return null
on Internet Explorer (9) if the style.position
of the element itself is set to "fixed"
. (Having display:none
does not affect this browser.)