web api instance property
HTMLElement: offsetTop property
The offsetTop read-only property of the HTMLElement interface returns the distance from the outer border of the current element (including its margin) to the top padding edge of the offsetParent, the closest positioned ancestor element.
Value
A number.
Examples
const d = document.getElementById("div1");
const topPos = d.offsetTop;
if (topPos > 10) {
// object offset is more
// than 10 pixels from its parent
}
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.