Multiple Y-Axes (Aligned Zero) in JavaScript

var options = {
  series: [
    {
      name: 'Profit',
      type: 'column',
      data: [5, 12, -8, 14, -3, 9, -2, 6],
    },
    {
      name: 'Units Sold',
      type: 'column',
      data: [1.2, 2.1, 1.8, 2.7, 2.0, 2.4, 1.9, 2.6],
    },
    {
      name: 'Index',
      type: 'line',
      data: [25, 27, 26, 29, 28, 29, 30, 30],
    },
  ],
  chart: {
    height: 350,
    type: 'line',
    stacked: false,
  },
  stroke: {
    width: [0, 0, 4],
  },
  title: {
    text: 'Multiple Y-Axes With Aligned Zero',
    align: 'left',
  },
  xaxis: {
    categories: ['Q1', 'Q2', 'Q3', 'Q4', 'Q5', 'Q6', 'Q7', 'Q8'],
  },
  yaxis: [
    {
      seriesName: 'Profit',
      alignZero: true,
      axisTicks: { show: true },
      axisBorder: { show: true, color: '#008FFB' },
      labels: { style: { colors: '#008FFB' } },
      title: { text: 'Profit (mixed +/-)', style: { color: '#008FFB' } },
    },
    {
      seriesName: 'Units Sold',
      alignZero: true,
      opposite: true,
      axisTicks: { show: true },
      axisBorder: { show: true, color: '#00E396' },
      labels: { style: { colors: '#00E396' } },
      title: { text: 'Units (positive only)', style: { color: '#00E396' } },
    },
    {
      seriesName: 'Index',
      alignZero: true,
      opposite: true,
      axisTicks: { show: true },
      axisBorder: { show: true, color: '#FEB019' },
      labels: { style: { colors: '#FEB019' } },
      title: { text: 'Index', style: { color: '#FEB019' } },
    },
  ],
  tooltip: { shared: true, intersect: false },
  legend: { horizontalAlign: 'left' },
}

var chart = new ApexCharts(document.querySelector('#chart'), options)
chart.render()