code: function cleanjQueryData(node) {
        var jQueryCleanNodeFn = jQueryInstance
            ? jQueryInstance.cleanData : null;
  
        if (jQueryCleanNodeFn) {
            jQueryCleanNodeFn([node]);
        }
    }
docs: Special support for jQuery here because it's so commonly used. Many jQuery plugins (including jquery.tmpl) store data using jQuery's equivalent of domData so notify it to tear down any resources associated with the node & descendants here.