js实现文字垂直滚动和鼠标悬停效果

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<style>  .recommend-info {    width: 630px;    height: 42px;    padding: 0 10px;    margin-top: 12px;    margin-bottom: 18px;    border: 1px dashed #DFDFDF;    overflow: hidden;  }  .recommend-info li {    overflow: hidden;    font-size: 14px;    line-height: 42px;  }  .recommend-info li .push {    float: left;    display: inline-block;    width: 18px;    height: 17px;    margin-top: 12px;    margin-right: 10px;    background: #D95B4E;    font-size: 12px;    color: #fff;    text-align: center;    line-height: 17px;  }  .recommend-info li a {    float: left;    color: #333;  }  .recommend-info li a:hover {    color: #da5c4f;  }  .recommend-info li .htype {    float: right;    color: #999;  }</style>

<script>  // 不断把新的第一个追加到后面   function vscroll() {    var frtEle = $('.recommend-info li:first');    frtEle.animate({'marginTop': -$('.recommend-info li').height()}, 500, function(){      frtEle.css('marginTop', 0);      $('.recommend-info').append(frtEle);    });  }  var startInterval = setInterval(vscroll, 3000);  // 鼠标悬停   $('.recommend-info li').hover(function(){    clearInterval(startInterval);  }, function(){    startInterval = setInterval(vscroll, 3000);  });</script>