Not only an out-of-the-box multi-terminal chart library, but also a vivid and flexible data storyteller.
Not only a high-performance multi-dimensional data analysis form, but also a grid artist created between rows and columns.
It is not only a visual grammar that generates thousands of charts, but also a data magician who turns boring into magic.
Not only a visual rendering engine with rich functions, but also a handy pen.
It is not only a fully functional graph visualization library, but also an explorer of data relationships.
mobile
Collapsing/expanding helps users understand the structure and highlight key parts, and it is a commonly used interaction. Collapse/expand is easier to implement for acyclic data.
Interaction: click node: collapse/expand nodes.
