https: //cdn.bootcss.com/c3-angular/1.4.0/c3-angular.min.js
var graphApp = angular.module('App', ['gridshore.c3js.chart']);
graphApp.controller('GraphCtrl', function($scope) {});
<html>
<body ng-app="App">
<c3chart bindto-id="chart1">
<chart-column column-id="data 1" column-values="30,200,100,400,150,250"
column-type="spline" />
<chart-column column-id="data 2" column-values="50,20,10,40,15,25" column-type="line"
/>
</c3chart>
</body>
</html>