Chart.js – How to set a line chart dataset as disabled on load

Yes, there is a “hidden” flag in ChartJS.
eg.

data:
{
        datasets: [
        {
            data: [1,2,3],
            label: 'My First Dataset',
            hidden: true,
        },
        ],
}

See this issue on GitHub: https://github.com/chartjs/Chart.js/issues/689