Chart area background color chartjs - Javascript Chart.js

Javascript examples for Chart.js:Chart Color

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Description

Chart area background color chartjs

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/2.1.6/Chart.js"></script> 
      <script type="text/javascript">
    window.onload=function(){/*  ww w  . j  av  a  2 s . com*/
      Chart.pluginService.register({
         beforeDraw: function (chart, easing) {
            if (chart.config.options.chartArea && chart.config.options.chartArea.backgroundColor) {
               var helpers = Chart.helpers;
               var ctx = chart.chart.ctx;
               var chartArea = chart.chartArea;
               ctx.save();
               ctx.fillStyle = chart.config.options.chartArea.backgroundColor;
               ctx.fillRect(chartArea.left, chartArea.top, chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
               ctx.restore();
            }
         }
      });
      var config = {
  type: 'bar',
  data: {
    labels:["Label1","Label2","Label3","Label4"],
    borderColor : "#fffff",
    datasets: [
      {
        data: ["2","3","1","4"],
        borderColor : "#fff",
        borderWidth : "3",
        hoverBorderColor : "#000",
        backgroundColor: [
          "#f38b4a",
          "#56d798",
          "#ff8397",
          "#6970d5"
        ],
        hoverBackgroundColor: [
          "#f38b4a",
          "#56d798",
          "#ff8397",
          "#6970d5"
        ]
      }]
  },
  options: {
    scales: {
      yAxes: [{
        ticks:{
          min : 0,
          stepSize : 1,
          fontColor : "#000",
          fontSize : 14
        },
        gridLines:{
          color: "#000",
          lineWidth:2,
          zeroLineColor :"#000",
          zeroLineWidth : 2
        },
        stacked: true
      }],
      xAxes: [{
        ticks:{
          fontColor : "#000",
          fontSize : 14
        },
        gridLines:{
          color: "#fff",
          lineWidth:2
        }
      }]
    },
    responsive:false,
    chartArea: {
               backgroundColor: 'rgba(251, 85, 85, 0.4)'
            }
  }
};
      var ctx = document.getElementById("barChart").getContext("2d");
      new Chart(ctx, config);
    }

      </script> 
   </head> 
   <body> 
      <canvas id="barChart" width="600" height="300"></canvas>  
   </body>
</html>

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