Fetch Data

Terms defined: HTTP GET, HTTP request, JavaScript Object Notation (JSON), route (in server)

• server.py: page initially has button and empty div
• When button clicked, JavaScript in static/dashboard.js sends a GET request to a new route in the Flask server
  • An asynchronous function
• Response is JSON containing HTML string representation of table
  • Have to do some substring operations to extract it from what the dataframe generates
• Assign that string to the inner HTML of the div

Run

1. python server.py --seed 12345
2. Go to http://127.0.0.1/5000
3. Click the button to fetch and display HTML