How to create an interaction between charts in d3.js?

@arnoldo.moen 

To create an interaction between charts in d3.js, you can use event listeners and data binding to link the behavior of multiple charts together. Here's a general approach you can take:

1. Initialize your charts: Create and render the initial charts you want to interact with on the webpage using d3.js.
2. Add event listeners: Add event listeners to the elements in your charts that you want to interact with. For example, you can add a "click" event listener to a bar in a bar chart.
3. Update the other charts: Inside the event listener function, update the data and visuals of the other charts based on the interaction. For example, if a bar is clicked in one chart, you can filter the data to show related information in another chart.
4. Use data binding: Use d3.js' data binding capabilities to update the visuals of the other charts dynamically based on the interactions. This can include filtering, sorting, or changing the appearance of elements in the charts.

By following these steps, you can create an interaction between charts in d3.js that allows them to react to user input or changes in one chart. This can help users gain insights and explore data more effectively.