module.exports = { config: { type: 'line', data: { labels: [0, 1, 2, 3, 4, 5], datasets: [ { // option in dataset data: [4, 5, 10, null, -10, -5], borderDash: function(ctx) { return ctx.datasetIndex === 0 ? [5] : [10]; } }, { // option in element (fallback) data: [-4, -5, -10, null, 10, 5] } ] }, options: { legend: false, title: false, elements: { line: { borderColor: '#00ff00', borderDash: function(ctx) { return ctx.datasetIndex === 0 ? [5] : [10]; } }, point: { radius: 10, } }, layout: { padding: 32 }, scales: { xAxes: [{display: false}], yAxes: [ { display: false, ticks: { beginAtZero: true } } ] } } }, options: { canvas: { height: 256, width: 512 } } };