Chart.js line chart tooltip duration/delay settings - Javascript Chart.js

Javascript examples for Chart.js:Line Chart

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Description

Chart.js line chart tooltip duration/delay settings

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 .  ja v  a2 s.  c  o m
var data = {
    labels: ['A', 'B', 'C', 'D', 'E', 'F', 'G'],
    datasets: [
        {
            data: [12, 23, 23, 43, 45, 12, 33]
        }
    ]
};
var ctx = document.getElementById("myChart").getContext("2d");
var myLineChart = new Chart(ctx).Line(data);
var originalShowTooltip = myLineChart.showTooltip;
var timeout;
myLineChart.showTooltip = function (activeElements) {
    var delay = (activeElements.length === 0) ? 2000 : 0;
    clearTimeout(timeout);
    timeout = setTimeout(function () {
        originalShowTooltip.call(myLineChart, activeElements);
    }, delay);
}
    }

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

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