JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.chartjs.org/assets/Chart.js"></script>
<canvas id="myChart" width="600" height="400"></canvas>

JavaScript

// chartjs bar chart with custom tooltip
var data = {
    labels: ["January", "February", "March", "April", "May", "June", "July"],
    datasets: [{
        label: "First dataset",
        fillColor: "rgba(220,220,220,0.2)",
        strokeColor: "rgba(220,20,20,1)",
        pointColor: "rgba(220,20,20,1)",
        pointStrokeColor: "#fff",
        pointHighlightFill: "#fff",
        pointHighlightStroke: "rgba(220,220,220,1)",
        data: [65, 59, 80, 84, 56, 55, 90]
    }, {
        label: "Second dataset",
        fillColor: "rgba(151,187,205,0.2)",
        strokeColor: "rgba(15,187,25,1)",
        pointColor: "rgba(15,187,25,1)",
        pointStrokeColor: "#fff",
        pointHighlightFill: "#fff",
        pointHighlightStroke: "rgba(151,187,205,1)",
        data: [38, 55, 50, 65, 35, 67, 54]
    }  ]
};

var options = {
    // String - Template string for single tooltips
    tooltipTemplate: "<%if (label){%><%=label %>: <%}%><%= value + '$' %>",
    // String - Template string for multiple tooltips
    multiTooltipTemplate: "<%= value + '$' %>",
    scaleLabel : "<%= value + '$' %>",
};

var ctx = document.getElementById("myChart").getContext("2d");

var myLineChart = new Chart(ctx).Bar(data, options);