Sample: dhtmlxToolbar Button Select Text dhtmlxToolbar main page
X
 
<script>
 
    var webBar = new dhtmlXToolbarObject("toolbarObj");
    ...
    // setting text for a select button
    webBar.setItemText(itemId, text);
    // getting text of a select button
    var text = webBar.getItemText(itemId);
</script>