if you're hosting behind a server, and still facing issues: try changing localhost to 127.0.0.1 e.g. http://localhost:8080/ to http://127.0.0.1:8080/
The issue I was facing was that I was serving a site using apache tomcat within an eclipse IDE (eclipse luna).
For my sanity check I was using Remy Sharp's demo: https://github.com/remy/html5demos/blob/eae156ca2e35efbc648c381222fac20d821df494/demos/geo.html
and was getting the error after making minor tweaks to the error function despite hosting the code on the server (was only working on firefox and failing on chrome and safari):
"User denied Geolocation"
I made the following change to get more detailed error message:
function error(msg) {
var s = document.querySelector('#status');
msg = msg.message ? msg.message : msg; //add this line
s.innerHTML = typeof msg == 'string' ? msg : "failed";
s.className = 'fail';
// console.log(arguments);
}
failing on internet explorer behind virtualbox IE10 on http://10.0.2.2:8080 :
"The current location cannot be determined"