1👍
✅
Directive element should be have data
instead of chart-data
& labels
instead of chart-labels
<canvas id="{{'doughnutChart' + $index}}"
class="chart chart-doughtnut"
data="votes"
labels="options">
</canvas>
And the data should be two dimensional array
$scope.options = [['a', 'b', 'c']];
Source:stackexchange.com