# Interactivity and Transitions

- [d3-transition](https://github.com/d3/d3-transition/tree/main/docs): Value interpolation over time.
- [d3-zoom](https://github.com/d3/d3-zoom/tree/main/docs): Pan & Zoom implementation.
- [d3-drag](https://github.com/d3/d3-drag/tree/main/docs): Drag behavior for elements.