Chartjs: update the min and maximum of the yaxes ticks - Javascript Chart.js

Javascript examples for Chart.js:Axis

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Description

Chartjs: update the min and maximum of the yaxes ticks

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <title>chart.js 2.0 bar</title> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.1/Chart.min.js"></script> 
      <script type="text/javascript" src="https://code.jquery.com/jquery-2.2.4.min.js"></script> 
      <script type="text/javascript">
    window.onload=function(){//from  w  ww.j  a  v  a  2 s  .  co  m
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,
  }
};
var myLineChart = Chart.Line('myChart', {
  data: data,
  options: option
});
$('#action').off().on('click', function() {
   myLineChart.options.scales.yAxes[0].ticks.min = -50;
  myLineChart.update();
})
    }

      </script> 
   </head> 
   <body> 
      <canvas id="myChart" width="400" height="200"></canvas> 
      <button id="action">action</button>  
   </body>
</html>

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