SciChart.js ships with ~60 JavaScript Chart Examples which you can browse, play with, view the source code and see related documentation. All of this is possible with the SciChart.js Examples Suite, which ships as part of the SciChart.js SDK
Demonstrates how to create a JavaScript Chart with Vertically Stacked Y axis using SciChart.js, High Performance JavaScript Charts
Stacked axes allow data to be drawn in different sections of the chart but still overlap. Zoom vertically using the mouse wheel, or by dragging individual axes. Right-click and drag to zoom horizontally. Double click to Reset
Make sure data series and annotations are bound to the correct axis.
You can also Horizontally stack top and bottom axes