Aquí está el html para el enlace, es decir:

 <a href="javascript:void(0);" style="font-size: 3em; color: #222" class="popover-test" id="directNavPrev" data-title="Previous Result Row" data-content="Previous Result Row">
&laquo;</a>

sí, estoy llamando a .popover () para inicializar y la ventana emergente funciona bien. Puedo conseguir que el contenido se actualice sin problemas. Simplemente no es el título. He intentado "prev.data ('title', 'new title')" e incluso he intentado reiniciar "prev.popover ({title: 'new title'});" sin dados ... gracias.

 function SetDirectNavigationPlaceholder() {
    //debugger;
    var item = $("#movementType :selected").val();
    var direct = $('#directNavigation');
    var prev = $('#directNavPrev');
    var next = $('#directNavNext');
    switch (item) {
        case "result":
            $('#bookTypeSection').addClass('hide');
            direct.val('Result Row from 1 - 150');
            prev.attr('data-title', "Previous Result Row");
            next.attr('data-title', "Next Result Row");
            prev.attr('data-content', "Check it! this will contain the information for the previous result<table><tr><td>blah</td><td>blah</td></tr><tr><td>blah</td><td>blah</td></tr><tr><td>blah</td><td>blah</td></tr><tr><td>blah</td><td>blah</td></tr></table>");
            next.attr('data-content', "Check it! this will contain the information for the next result<table><tr><td>blah</td><td>blah</td></tr></table>");
            break;
        case "instrument":
            $('#bookTypeSection').addClass('hide');
            direct.val('Instrument #');
            prev.attr('data-title', "Previous Instrument #");
            next.attr('data-title', "Next Instrument #");
            prev.attr('data-content', "Check it! this will contain the information for the previous <b>instrument</b><table><tr><td>blah</td><td>blah</td></tr></table>");
            next.attr('data-content', "Check it! this will contain the information for the next <b>instrument</b><table><tr><td>blah</td><td>blah</td></tr></table>");
            break;
        case "bookpage":
            $('#bookTypeSection').removeClass('hide');
            direct.val('Book/Page');
            prev.attr('data-title', "Previous Book/Page");
            next.attr('data-title', "Next Book/Page");
            prev.attr('data-content', "Check it! this will contain the information for the previous <b>book/page</b><table><tr><td>blah</td><td>blah</td></tr></table>");
            next.attr('data-content', "Check it! this will contain the information for the next <b>book/page</b><table><tr><td>blah</td><td>blah</td></tr></table>");
            break;
    }
    direct.css('color', '#aaa').not('#directNavigationHeader');
}