I am using a linear chart and using it to visualise waveshapes that can be quite complex. The application requires the data y range to be pre-scaled based on variable external requirements, with typical limits being from (-10:0) through to (-500:0). By default, without an initial pre-scaled y axis, the chart dynamically rescales itself as the data arrives.

In some browser canvas are not visible. Appear for one seconds and then disappear. Im going mad. What´s wrong? If i disable the second one the first one is visible.

Can chartjs draw this kind of line chart with intervals like that?
line chart

The default functionality of label item text having a strikethrough applied when clicking on it from within the legend is not working. I would like to fix this issue so the strikethrough is applied (or toggled off) when clicked and the corresponding data is hidden from or shown to the chart.

The default functionality of label item text having a strikethrough applied when clicking on it from within the legend is not working. I would like to fix this issue so the strikethrough is applied (or toggled off) when clicked and the corresponding data is hidden from or shown to the chart.

I am working in Django, and I have a MySql backend. I can display data from a table without issue but when I use the same logic for a Stored Procedure data, the data does not display. To make sure I am pulling the data, I inserted print in my views and on the terminal, I see the SP data.

Using Chartjs, I have the following databaset and options

I’m using Chart.js 4.4.1 to develop my chart logic, but I can’t show the right border using bar chart, please see the image below: issue and this is my codecode. How can I fix it please?

I’m having trouble creating charts using chartjs, where I have 3 charts, but 1 chart differs from the average of the other three charts.

I’m having trouble creating charts using chartjs, where I have 3 charts, but 1 chart differs from the average of the other three charts.