function startgps()

{

var gps &＃61; navigator.geolocation;

if (gps)

{

gps.getCurrentPosition(showgps,

function(error)

{

alert("Got an error, code: " &＃43; error.code &＃43; " message: "&＃43; error.message);

},

{maximumAge: 10000}); // 这里设置超时为10000毫秒&＃xff0c;即10秒

}

else

{

showgps();

}

}

function showgps(position)

{

if (position)

{

var latitude &＃61; position.coords.latitude;

var longitude &＃61; position.coords.longitude;

alert("latitude: " &＃43; latitude &＃43; "\r\n longitude: "&＃43; longitude);

}

else

alert("position is null");

}

GeoLocation API Demo

Allan Yan