JavaScript Chart.js - Custom data formatting to display on tooltip
I have looked at various documentation and similar questions on here, but cannot seem to find the particular solution. Apologies if I have missed anything obvious or have repeated this question! As a bit of background info, I have implemented 4 graphs using the Chart.js plugin and passed in the required data using PHP from a database. This is all working correctly and is fine. My problem is I need to display the data in the tooltips as formatted data aka. as numeric with %. As an example, one of my data from database is -0.17222. I have formatted it as a percentage to display in my table and