sizeString(default: undefined)
Specifies the size of the loader. When undefined (the default), the theme controls the default size. Valid options are small, medium and large.
Example
<span id="loader-small">Small loader</span>
<span id="loader-medium">Medium loader</span>
<span id="loader-large">Large loader</span>
<script>
$('#loader-small').kendoLoader({ size: 'small' });
$('#loader-medium').kendoLoader({ size: 'medium' });
$('#loader-large').kendoLoader({ size: 'large' });
</script>