chart.js 2.0 bar

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.6.0/Chart.js"></script>
<canvas id="myChart" width="400" height="200"></canvas>

JavaScript

var data = {
  labels: ["January", "February", "March", "April", "May", "June", "July"],
  datasets: [{
    label: "My First dataset",
    backgroundColor: "rgba(255,99,132,0.2)",
    borderColor: "rgba(255,99,132,1)",
    borderWidth: 2,
    hoverBackgroundColor: "rgba(255,99,132,0.4)",
    hoverBorderColor: "rgba(255,99,132,1)",
    data: [65, 59, 20, 81, 56, 55, 40],
  }]
};
var option = {
  legend: false,
  title: {
    display: true,
  },
  onHover: function(evt) {
    var element = myLineChart.getElementAtEvent(evt);
    alert(element);
  }
};

var myLineChart = Chart.Line('myChart', {
  data: data,
  options: option
});