In this section, you're going to start part one of a two-part series on geolocation. Instead of just sending text back and forth, we're also going to set it up so I can beam my actual coordinates, my longitude and latitude, to everyone else connected to the chat app. Then we can render a link and that link could go wherever we like; in our case, we're going to set it up to pull up a Google Maps page where the actual location of the user who sent their location is marked.
Now to actually fetch a user's location we're going to use the geolocation API, which is available in your client-side JavaScript, and it's actually a pretty well-supported API. It's available on all modern browsers, whether that's mobile or desktop, and the documentation ...
