Set chart.js grid color for line chart - Javascript Chart.js

Javascript examples for Chart.js:Line Chart

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  4. Line Chart

Description

Set chart.js grid color for line chart

Demo Code

ResultView the demo in separate window 

<html lang="en">
   <head> 
      <title>Chart.js - Gridline Background</title> 
   </head> 
   <body translate="no"> 
      <div id="canvas-holder" style="width:40%"> 
         <canvas id="myChart"></canvas> 
      </div> 
      <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> 
      <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script> 
      <script src="https://rawgit.com/chartjs/chartjs-plugin-annotation/master/chartjs-plugin-annotation.js"></script> 
      <script>
      var chartColors = {/*  w  ww .  j a  v a2s  .  co  m*/
  red: 'rgb(255, 99, 132)',
  orange: 'rgb(255, 159, 64)',
  yellow: 'rgb(255, 205, 86)',
  green: 'rgb(75, 192, 192)',
  blue: 'rgb(54, 162, 235)',
  purple: 'rgb(153, 102, 255)',
  grey: 'rgb(231,233,237)'
};
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
  type: 'line',
  data: {
    datasets: [{
      label: 'Points',
      data: [
        {x: 0, y: 2},
        {x: 1, y: 3},
        {x: 2, y: 2},
        {x: 1.02, y: 0.4},
        {x: 0, y: -1}
      ],
      backgroundColor: 'rgba(123, 83, 252, 0.8)',
      borderColor: 'rgba(33, 232, 234, 1)',
      borderWidth: 1,
      fill: false,
    }],
  },
  options: {
    title: {
      display: true,
      text: 'Chart.js - Gridline Background',
    },
    scales: {
      xAxes: [{
        type: 'linear',
        position: 'bottom',
        ticks: {
          min: -1,
          max: 8,
          stepSize: 1,
          fixedStepSize: 1,
        },
        gridLines: {
          color: 'rgba(171,171,171,1)',
          lineWidth: 1
        }
      }],
      yAxes: [{
        ticks: {
          min: -2,
          max: 4,
          stepSize: 1,
          fixedStepSize: 1,
        },
        gridLines: {
          color: 'rgba(171,171,171,1)',
          lineWidth: 0.5
        }
      }]
    },
    annotation: {
      annotations: [{
        type: 'box',
        yScaleID: 'y-axis-0',
        yMin:  1,
        yMax: 4,
        borderColor: 'rgba(255, 51, 51, 0.25)',
        borderWidth: 2,
        backgroundColor: 'rgba(255, 51, 51, 0.25)',
      }, {
        type: 'box',
        yScaleID: 'y-axis-0',
        yMin:  -1,
        yMax: 1,
        borderColor: 'rgba(255, 255, 0, 0.25)',
        borderWidth: 1,
        backgroundColor: 'rgba(255, 255, 0, 0.25)',
      }, {
        type: 'box',
        yScaleID: 'y-axis-0',
        yMin:  -2,
        yMax: -1,
        borderColor: 'rgba(0, 204, 0, 0.25)',
        borderWidth: 1,
        backgroundColor: 'rgba(0, 204, 0, 0.25)',
      }],
    }
  }
});
   
      </script>  
   </body>
</html>

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