<script src="js/jquery.min.js"></script>
<script type="text/javascript">
//换一换
var $newsLists = $('.news-sub').find('.news-list-v');
function changeNews() {
var $currentNews = $newsLists.filter('.show');
var $nextNews = $currentNews.next();
if($nextNews.length === 0) {
$nextNews = $newsLists.eq(0);
}
$newsLists.removeClass('show');
$nextNews.addClass('show');
}
$('.news-change').on('click', function() {
changeNews();
});
</script>
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