Multi Axis Line Chart

const config = { type: 'line', data: data, options: { responsive: true, interaction: { mode: 'index', intersect: false, }, stacked: false, plugins: { title: { display: true, text: 'Chart.js Line Chart - Multi Axis' } }, scales: { y: { type: 'linear', display: true, position: 'left', }, y1: { type: 'linear', display: true, position: 'right', // grid line settings grid: { drawOnChartArea: false, // only want the grid lines for one axis to show up }, }, } }, };

const config = {
  type: 'line',
  data: data,
  options: {
    responsive: true,
    interaction: {
      mode: 'index',
      intersect: false,
    },
    stacked: false,
    plugins: {
      title: {
        display: true,
        text: 'Chart.js Line Chart - Multi Axis'
      }
    },
    scales: {
      y: {
        type: 'linear',
        display: true,
        position: 'left',
      },
      y1: {
        type: 'linear',
        display: true,
        position: 'right',
        // grid line settings
        grid: {
          drawOnChartArea: false, // only want the grid lines for one axis to show up
        },
      },
    }
  },
};

const DATA_COUNT = 7; const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100}; const labels = Utils.months({count: 7}); const data = { labels: labels, datasets: [ { label: 'Dataset 1', data: Utils.numbers(NUMBER_CFG), borderColor: Utils.CHART_COLORS.red, backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5), yAxisID: 'y', }, { label: 'Dataset 2', data: Utils.numbers(NUMBER_CFG), borderColor: Utils.CHART_COLORS.blue, backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5), yAxisID: 'y1', } ] };

const DATA_COUNT = 7;
const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
const labels = Utils.months({count: 7});
const data = {
  labels: labels,
  datasets: [
    {
      label: 'Dataset 1',
      data: Utils.numbers(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
      yAxisID: 'y',
    },
    {
      label: 'Dataset 2',
      data: Utils.numbers(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.blue,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
      yAxisID: 'y1',
    }
  ]
};

const actions = [ { name: 'Randomize', handler(chart) { chart.data.datasets.forEach(dataset => { dataset.data = Utils.numbers({count: chart.data.labels.length, min: -100, max: 100}); }); chart.update(); } }, ];

const actions = [
  {
    name: 'Randomize',
    handler(chart) {
      chart.data.datasets.forEach(dataset => {
        dataset.data = Utils.numbers({count: chart.data.labels.length, min: -100, max: 100});
      });
      chart.update();
    }
  },
];

Docs

• Axes scales
• Cartesian Axes
  • Axis Position
• Data structures (labels)
• Line