HTMLElement.offsetTop

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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
offsetTop
Experimental
Chrome Full support 47Edge Full support 12Firefox Full support 1IE Full support YesOpera Full support YesSafari Full support 11WebView Android Full support 47Chrome Android Full support 47Firefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

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.)