This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The top read-only property of the DOMRectReadOnly interface returns the top coordinate value of the DOMRect. (Has the same value as y, or y + height if height is negative.)
Syntax
var recTop = DOMRect.top;
Value
A double.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Geometry Interfaces Module Level 1 The definition of 'top' in that specification. |
Candidate Recommendation | Latest spec version is an ED. |
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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
top | Chrome Full support Yes | Edge
No support
No
| Firefox Full support Yes | IE
No support
No
| Opera Full support Yes | Safari Full support 10.1 | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support 10.3 | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- See implementation notes.
- See implementation notes.