jquery mobile alter、confirm重写，使用popup

function confirmDialog(text, callback) {
var popupDialogId = 'popupDialog';
$('
 \
                    
\
                        
Question
\
                    
\
                    
\
                        
' + text + '
\
                        Yes\
                        No\
                    
\
                
')
    .appendTo($.mobile.pageContainer);
var popupDialogObj = $('#' + popupDialogId);
popupDialogObj.trigger('create');
popupDialogObj.popup({
    afterclose: function (event, ui) {
        popupDialogObj.find(".optionConfirm").first().off('click');
        var isConfirmed = popupDialogObj.attr('data-confirmed') === 'yes' ? true : false;
        $(event.target).remove();
        if (isConfirmed && callback) {
            callback();
        }
    }
});
popupDialogObj.popup('open');
popupDialogObj.find(".optionConfirm").first().on('click', function () {
    popupDialogObj.attr('data-confirmed', 'yes');
});
}