Revision: 43738
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at March 30, 2011 02:40 by vagrantradio
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function retrieve_zip(callback)
{
try { if(!google) { google = 0; } } catch(err) { google = 0; } // Stupid Exceptions
if(navigator.geolocation) // FireFox/HTML5 GeoLocation
{
navigator.geolocation.getCurrentPosition(function(position)
{
zip_from_latlng(position.coords.latitude,position.coords.longitude,callback);
});
}
else if(google && google.gears) // Google Gears GeoLocation
{
var geloc = google.gears.factory.create('beta.geolocation');
geloc.getPermission();
geloc.getCurrentPosition(function(position)
{
zip_from_latlng(position.latitude,position.longitude,callback);
},function(err){});
}
}
function zip_from_latlng(latitude,longitude,callback)
{
// Setup the Script using Geonames.org's WebService
var script = document.createElement("script");
script.src = "http://ws.geonames.org/findNearbyPostalCodesJSON?lat=" + latitude + "&lng=" + longitude + "&callback=" + callback;
// Run the Script
document.getElementsByTagName("head")[0].appendChild(script);
}
function example_callback(json)
{
// Now we have the data! If you want to just assume it's the 'closest' zipcode, we have that below:
zip = json.postalCodes[0].postalCode;
country = json.postalCodes[0].countryCode;
state = json.postalCodes[0].adminName1;
county = json.postalCodes[0].adminName2;
place = json.postalCodes[0].placeName;
alert(zip);
}
retrieve_zip("example_callback"); // Alert the User's Zipcode
Initial URL
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Zip code from HTML5 Geolocation
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JavaScript