Vaadin Charts is a Web Component for creating high quality charts, part of Vaadin components.
<vaadin-chart type="pie">
<vaadin-chart-series values='[
["Firefox", 45.0],
["IE", 26.8],
["Chrome", 12.8],
["Safari", 8.5],
["Opera", 6.2],
["Others", 0.7]]'>
</vaadin-chart-series>
</vaadin-chart>