The screenY read-only property of the MouseEvent interface provides the vertical coordinate (offset) of the mouse pointer in global (screen) coordinates.
MouseEvent: screenY property
Value
A double floating point value.
Early versions of the spec defined this as an integer referring to the number of pixels.
Examples
This example displays your mouse's coordinates whenever you trigger the mousemove event.
HTML
html
<p>Move your mouse to see its position.</p>
<p id="screen-log"></p>
JavaScript
js
let screenLog = document.querySelector("#screen-log");
document.addEventListener("mousemove", logKey);
function logKey(e) {
screenLog.innerText = `
Screen X/Y: ${e.screenX}, ${e.screenY}
Client X/Y: ${e.clientX}, ${e.clientY}`;
}
Result
Specifications
| Specification |
|---|
| UI Events # dom-mouseevent-screeny |
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 | |
screenY |
1 | 12 | 1.5 | 9 | ≤12.1 | 1 | ≤37 | 18 | 4 | ≤12.1 | 1 | 1.0 |
See also
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https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/screenY