Chart.js without gridlines

no-gridlines

{
  type: 'bar',
  data: {
    labels: ['January', 'February', 'March', 'April', 'May'],
    datasets: [{
      label: 'Dogs',
      data: [ 50, 60, 70, 180, 190 ]
    }, {
      label: 'Cats',
      data: [ 100, 200, 300, 400, 500 ]
    }]
  },
  options: {
    scales: {
      xAxes: [{gridLines: {display: false}}],
      yAxes: [{gridLines: {display: false}}],
    }
  }
}