Learning D3.JS 5.0 10.4: Make It More Functional

This video tutorial guides viewers through adding capital cities and population indicators to a map using JSON files. It covers creating city circles, styling them, and adding functionality for a better user experience. The tutorial concludes with a summary of the process and a preview of the next video.

What is the primary purpose of the JSON file mentioned in the video?

• To manage user authentication

• To store user preferences

• To contain city data including population and coordinates

• To store map styles

Which function is responsible for creating city circles on the map?

• addStyles

• createCityCircles

• loadJSON

• createMap

What attribute is used to determine the radius of the city circles?

• City Name

• Longitude

• Population

• Latitude

What happens when you hover over a city on the map?

• The map resets

• The circle changes color

• The city name is displayed

• The map zooms in

What was the initial step in the process of enhancing the map?

• Adding interactivity

• Understanding JSON files

• Implementing map projections

• Styling the map