MouseEvent.screenY

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

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screenY 是 MouseEvent 的只读属性，提供鼠标在全局（屏幕）中的垂直坐标（偏移量）。

值

一个双精度浮点数（double）。

早期版本的规范定义将其一个整数值的像素数。

示例

这个示例展示了当触发 mousemove 事件时鼠标的坐标。

HTML

html
<p>移动鼠标以查看其坐标。</p>
<p id="screen-log"></p>

JavaScript

js
let screenLog = document.querySelector("#screen-log");
document.addEventListener("mousemove", logKey);
function logKey(e) {
  screenLog.innerText = `
    屏幕坐标 X/Y: ${e.screenX}, ${e.screenY}
    客户端坐标 X/Y: ${e.clientX}, ${e.clientY}`;
}

结果

规范

Specification
UI Events
# dom-mouseevent-screeny

浏览器兼容性

BCD tables only load in the browser

参见