chart.js - Chartjs Graph is not showing in colorbox -

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i trying display doughnut chart in popup(colorbox) dummy values giving error, if call in browser(via url) display graph.

indexsizeerror: index or size negative or greater allowed amount.

 var doughnutchart = [{          value: 60,          color: "#fcc79e"      }, {          value: 30,          color: "#beefd2"      }, {          value: 50,          color: "#ffddfb"      }, {          value: 20,          color: "#cdecff"      }, {          value: 90,          color: "#fff5bc"      }];          var mydoughnutchart = new chart(document.getelementbyid("canvas").getcontext("2d")).doughnut(doughnutchart);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>  <canvas id="canvas" height="450" width="600"></canvas>

chart.js needs canvas have rendered size before can rendered. need have chart initialization inside cbox_complete event hook instead of doing first , opening colorbox

something like

$(document).bind('cbox_complete', function () {     var doughnutchart = [{         ...          ...     var mydoughnutchart = new chart(document.getelementbyid("canvas").getcontext("2d")).doughnut(doughnutchart); });

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