fillModeString(default: undefined)
Specifies how themeColor is applied to a badge. When undefined (the default), the theme controls the default fill mode. Valid options are solid and outline.
Example
<span id="badge-solid">Solid</span>
<span id="badge-outline">Outline</span>
<script>
$('#badge-solid').kendoBadge({ fillMode: 'solid' });
$('#badge-outline').kendoBadge({ fillMode: 'outline' });
</script>