Reactive Programming with RxJS

Building a Real-Time Earthquake Dashboard

We’ll be building both server and client parts for an earthquake dashboard application, picking up where we left the application we started in ​Making a Real-Time Earthquake Visualizer​. We’ll build the server in Node.js, and improve our application to make it more interactive and informative.

The screenshot shows how the dashboard will look when we’re finished:

Our starting point will be the code from ​Making a Real-Time Earthquake Visualizer​, which we left like this:

examples_earthquake/code1_3.js

var quakes = Rx.Observable
  .interval(5000)
  .flatMap(function() {
    return Rx.DOM.jsonpRequest({ ...