directionString
The direction in which the element will be expanded. Either horizontal or vertical.
Example
<div id="element" style="width:200px; height: 200px; background: blue;">
Element to expand
</div>
<script>
// Expand horizontally
kendo.fx($("#element")).expand("horizontal").play();
// Or expand vertically
// kendo.fx($("#element")).expand("vertical").play();
</script>
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