5 things you didn’t know were possible with JavaScript
medium.com
3 threads
I think this is what he's trying to do with the Google Maps thing: http://www.html5rocks.com/en/tutorials/geolocation/trip_mete...
I think he's talking about the navigator.geolocation object.
Is this post a joke? The tip about password hiding is not helpful and already served by the <input type="password"> tag. He calls using an array a "Database"? WTFudge.
Ok, if you see this other post by him it's obvious it's a joke: https://medium.com/cool-code-pal/how-to-write-premium-javasc...
Relax people, it is definitely a joke... It is not a real article.