GeolocationPosition：timestamp 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 2020年7月.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
GeolocationPosition 介面的 timestamp 唯讀屬性代表裝置取得位置的日期與時間。