MouseEvent: clientY property - Web APIs | MDN

Value

A double floating point value in 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-clienty

Browser compatibility

See also

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