Add DataSet Bar Chart for Chart.JS - Javascript Chart.js

Javascript examples for Chart.js:Bar Chart

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Description

Add DataSet Bar Chart for 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://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.1/Chart.min.js"></script> 
      <script type="text/javascript" src="https://code.jquery.com/jquery-3.1.0.min.js"></script> 
      <script type="text/javascript">
    window.onload=function(){/*from w  ww.  j a  v a 2s  . c o m*/
var data = {
    labels: ["January", "February", "March", "April", "May", "June", "July"],
    datasets: [{
        label: "Compras",
        backgroundColor: 'rgba(255, 99, 132, 0.2)',
        borderColor: 'rgba(255,99,132,1)',
        borderWidth: 1,
        data: [65, 59, 80, 81, 56, 55, 40],
    }]
};
var ctx = $("#barOrgaoAno").get(0).getContext("2d");
var myBarChart = new Chart(ctx, {
    type: "bar",
    data: data,
});
$('button#button').click(function() {
    var newDataset = {
        label: "Vendas",
        backgroundColor: 'rgba(99, 255, 132, 0.2)',
        borderColor: 'rgba(99, 255, 132, 1)',
        borderWidth: 1,
        data: [10, 20, 30, 40, 50, 60, 70],
    }
    data.datasets.push(newDataset);
    myBarChart.update();
});
    }

      </script> 
   </head> 
   <body> 
      <canvas id="barOrgaoAno" height="200"></canvas> 
      <br> 
      <button id="button"> Click me! </button>  
   </body>
</html>

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