I can’t easily put this in an example on CodePen because it causes the browser to bog down, so I will describe it. Take your basic line chart example (here: https://canvasjs.com/html5-javascript-line-chart/) and change the first data point to { y: 1E-16 },
. Then make the Y-Axis logarithmic – e.g., by adding:
axisY: {
logarithmic: 1
},
It seems to render okay if you increase the y value to 1E-15. Not sure if this affects other types of charts and/or or axes.