Add index labels on top of bar chart in Chart.js - Javascript Chart.js

Javascript examples for Chart.js:Bar Chart

  1. HOME
  2. Javascript
  3. Chart.js
  4. Bar Chart

Description

Add index labels on top of bar chart in Chart.js

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://rawgit.com/nnnick/Chart.js/v1.0.2/Chart.min.js"></script> 
      <script type="text/javascript">
    window.onload=function(){//  w  w  w.jav  a 2s .  c o  m
var chartData = {
    labels: ["January", "February", "March", "April", "May", "June"],
    datasets: [
        {
            fillColor: "#79D1CF",
            strokeColor: "#79D1CF",
            data: [60, 80, 81, 56, 55, 40]
        }
    ]
};
var ctx = document.getElementById("myChart2").getContext("2d");
var myBar = new Chart(ctx).Bar(chartData, {
    showTooltips: false,
    onAnimationComplete: function () {
        var ctx = this.chart.ctx;
        ctx.font = this.scale.font;
        ctx.fillStyle = this.scale.textColor
        ctx.textAlign = "center";
        ctx.textBaseline = "bottom";
        this.datasets.forEach(function (dataset) {
            dataset.bars.forEach(function (bar, i) {
                ctx.fillText(i + 1, bar.x, bar.y - 5);
            });
        })
    }
});
    }

      </script> 
   </head> 
   <body> 
      <canvas id="myChart2" height="300" width="500"></canvas>  
   </body>
</html>

Related Tutorials