GeolocationCoordinates.speed - Web APIs 编辑

Secure context

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

The GeolocationCoordinates.speed read-only property is a double representing the velocity of the device in meters per second. This value is null if the implementation is not able to measure it.

Syntax

let speed = geolocationCoordinatesInstance.speed

Value

A double representing the velocity of the device in meters per second.

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Using the Geolocation API
• GeolocationCoordinates