The HTMLElement.offsetTop read-only property returns the distance of the outer border of the current element relative to the inner border of the top of the offsetParent, the closest positioned ancestor element.
HTMLElement: offsetTop property
Value
A number.
Examples
js
const d = document.getElementById("div1");
const topPos = d.offsetTop;
if (topPos > 10) {
// object offset is more
// than 10 pixels from its parent
}
Specifications
| Specification |
|---|
| CSSOM View Module # dom-htmlelement-offsettop |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
offsetTop |
1 | 12 | 1 | 5.5 | 8 | 3 | 4.4 | 18 | 4 | 10.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/offsetTop