{"json_modified": "2016-03-28T08:28:46.632060", "uuid": "d5c8a8e2-98b4-4854-b2b1-85421da4cfa2", "title": "Coordinates.altitudeAccuracy", "url": "/en-US/docs/Web/API/Coordinates/altitudeAccuracy", "tags": ["Coordinates", "Property", "API", "Geolocation API"], "translations": [{"uuid": "8a680371-6b6c-4c56-9e4f-bce40f0ba594", "title": "Coordinates.altitudeAccuracy", "url": "/zh-TW/docs/Web/API/Coordinates/altitudeAccuracy", "tags": [], "summary": "<code><strong>Coordinates.altitudeAccuracy</strong></code> \u662f\u500b\u552f\u8b80\u7684\u6b63\u8907\u6578\u7528\u4f86\u4ee3\u8868\u9ad8\u5ea6\u7684\u7cbe\u6e96\u5ea6\uff0c\u55ae\u4f4d\u70ba\u516c\u5c3a\uff0c\u4e26\u6709 95% \u53ef\u9760\u5ea6\u3002\u5982\u679c\u88dd\u7f6e\u7121\u6cd5\u63d0\u4f9b\u9019\u500b\u503c\u5247\u56de\u50b3 null\u3002", "localization_tags": [], "locale": "zh-TW", "last_edit": "2016-03-22T23:41:38", "review_tags": []}], "modified": "2015-08-11T02:46:17", "label": "Coordinates.altitudeAccuracy", "localization_tags": [], "locale": "en-US", "id": 81049, "last_edit": "2015-08-11T02:46:15", "summary": "The <code><strong>Coordinates.altitudeAccuracy</strong></code> read-only property is a strictly positive <code>double</code> representing the accuracy, with a 95% confidence level, of the <code>altitude</code> expressed in meters. This value is <code>null</code> if the implementation doesn't support measuring altitude.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/Coordinates/altitudeAccuracy", "review_tags": []}