GeolocationCoordinates：accuracy 屬性
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GeolocationCoordinates 介面的 accuracy 唯讀屬性是一個正 double 值，表示以公尺表示的 GeolocationCoordinates.latitude 和 GeolocationCoordinates.longitude 屬性的準確度，並具有 95% 的可信度。
值
一個正的 double，表示以公尺表示的 GeolocationCoordinates.latitude 和 GeolocationCoordinates.longitude 屬性的準確度，並具有 95% 的可信度。
規範
| Specification |
|---|
| Geolocation # latitude-longitude-and-accuracy-attributes |
瀏覽器相容性
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