Home › forums › Using CanvasJS › add extra line when read the data from firebase
i am trying to sent some sensor value from raspberry pi to online dash board. raspberry pi update the data to firebase but when i was trying to retrieve the data from firebase to cavvas.js and shows the graphical view in line chart. the data can retrieve easily but the problem is the chart add one extra line from first data point to 2nd last data point.
may i know why it is happening and how to solve the problem.
We were unable to reproduce the issue at our end. However, you can refer to this example which is similar to your scenario.
If this doesn’t help kindly share a JSFiddle reproducing the issue so that we can look into the code, understand the scenario better and help you out
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