How can I show multi-portion bar chart?

[nanw1103]

I want something like below, how can I achieve that with Chart.js? Multiple bars in the same row (or column).
Thanks.

|    ==      ====  ===
|     ======
|        ==####****
.........................................................

[nanw1103]

A real world example of this requirement is Gantt chart. How to use Chartjs for that? Advice appreciated.

[LeeLenaleee]

You can use floating bars together with a stacked axis: https://jsfiddle.net/Leelenaleee/gyp3z28b/15/