VisualViewport.offsetTop

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since August 2021.

实验性: 这是一项实验性技术
在将其用于生产之前,请仔细检查浏览器兼容性表格

VisualViewport 接口的只读属性 offsetTop 返回视觉视口的顶部相对于布局视口的顶部的偏移量,以 CSS 像素为单位。

语法

var offsetTop = VisualViewport.offsetTop

一个双精度值。

规范

Specification
CSSOM View Module
# dom-visualviewport-offsettop

浏览器兼容性

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