<canvas id="lineChart"></canvas>

//line
var ctxL = document.getElementById("lineChart").getContext('2d');
var myLineChart = new Chart(ctxL, {
    type: 'line',
    data: {
        labels: ["January", "February", "March", "April", "May", "June", "July"],
        datasets: [
            {
                label: "My First dataset",
                fillColor: "rgba(48,165,255,0.2)",
                strokeColor: "rgba(48,165,255,1)",
                pointColor: "rgba(48,165,255,1)",
                pointStrokeColor: "#fff",
                pointHighlightFill: "#fff",
                pointHighlightStroke: "rgba(48,165,255,1)",
                data: [65, 59, 80, 81, 56, 55, 40]
            },
            {
                label: "My Second dataset",
               	fillColor : "rgba(251,192,22,0.2)",
				strokeColor : "rgba(251,192,22,1)",
				pointColor : "rgba(251,192,22,1)",
				pointStrokeColor : "#fff",
				pointHighlightFill : "#fff",
				pointHighlightStroke : "rgba(251,192,22,1)",
                data: [28, 48, 40, 19, 86, 27, 90]
            }
        ]
    },
    options: {
        responsive: true
    }
});