This is the root of web data visualization. There are many examples to follow but coding is tedious. It’s easy to start but very difficult to master.
A light-weighted library based on D3.
C3 makes it easy to generate D3-based charts by wrapping the code required to construct the entire chart.
Charting API from Baidu Inc. It has many geo-charts target to China.
The most comprehensive charting API so far.