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The OnClientMouseOut client-side event occurs when the mouse moves off an item in the panel bar.

The event handler receives two parameters:

  1. The instance of the panel bar firing the event.

  2. An eventArgs parameter containing the following methods:

    • get_item returns a reference to the RadPanelItem that the mouse just left.

    • get_domEvent() returns the DOM event object.

You can use this event to respond when the mouse moves off an item:

<script type="text/javascript">
    function markItem(panelbar, args) {
        var attributes = args.get_item().get_attributes();
        ttributes.setAttribute("visited", "true");
<telerik:radpanelbar id="RadPanelBar1" runat="server" onclientmouseout="markItem">    

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