selectionStartNumber
The selection start value of the RangeSlider.
Example
<div id="rangeslider" style="width: 200px;">
<input />
<input />
</div>
<script>
$("#rangeslider").kendoRangeSlider({
min: 0,
max: 100,
selectionStart: 30,
selectionEnd: 70
});
</script>