var chart = new Chartist.Line('.ct-chart', { labels: ['1', '2', '3', '4', '5', '6', '7', '8'], // Naming the series with the series object array notation series: [{ name: 'series-1', data: [5, 2, -4, 2, 0, -2, 5, -3] }, { name: 'series-2', data: [4, 3, 5, 3, 1, 3, 6, 4] }, { name: 'series-3', data: [2, 4, 3, 1, 4, 5, 3, 2] }] }, { fullWidth: true, // Within the series options you can use the series names // to specify configuration that will only be used for the // specific series. series: { 'series-1': { lineSmooth: Chartist.Interpolation.step() }, 'series-2': { lineSmooth: Chartist.Interpolation.simple(), showArea: true }, 'series-3': { showPoint: false } } }, [ // You can even use responsive configuration overrides to // customize your series configuration even further! ['screen and (max-width: 320px)', { series: { 'series-1': { lineSmooth: Chartist.Interpolation.none() }, 'series-2': { lineSmooth: Chartist.Interpolation.none(), showArea: false }, 'series-3': { lineSmooth: Chartist.Interpolation.none(), showPoint: true } } }] ]);