This error occurs on all QtWebKit-based browsers.

        for ( ; i < l; i++ ) {
            elem = elems[ i ];

            if ( elem || elem === 0 ) {

                // Add nodes directly
                if ( jQuery.type( elem ) === "object" ) {
                    core_push.apply( nodes, elem.nodeType ? [ elem ] : elem );
---> TypeError: '[object Object]' is not a valid argument for 'Function.prototype.apply' (evaluating 'elem.nodeType') <----

                // Convert non-html into a text node
                } else if ( !rhtml.test( elem ) ) {
                    nodes.push( context.createTextNode( elem ) );

                // Convert html into DOM nodes
                } else {
                    tmp = tmp || fragment.appendChild( context.createElement("div") );