====== HTML APIs ======

=== 1. Geolocation API ===

Get the user's location:

<code>
navigator.geolocation.getCurrentPosition(function(position) {
    console.log(position.coords.latitude, position.coords.longitude);
});
</code>

=== 2. Web Storage API ===


Store data locally:
<code>
localStorage.setItem("username", "JohnDoe");
alert(localStorage.getItem("username"));
</code>