GeolocationCoordinates:altitude 屬性

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.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

GeolocationCoordinates 介面的 altitude 唯讀屬性是一個 double 值,表示位置相對於 WGS84 橢球(定義名義海平面)的高度(以公尺為單位)。如果實作無法提供此數據,則此值為 null

一個 double,表示位置相對於 WGS84 橢球的高度(以公尺為單位)。

規範

Specification
Geolocation
# altitude-and-altitudeaccuracy-attributes

瀏覽器相容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
altitude

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Full support
Full support
Has more compatibility info.

參見