鼠标悬停2秒以上再执行

$(‘选择器‘).hover( function(){ delay(2000); alert(1); }, function(){ } );

var nextli = setInterval("$(‘.next‘).click()",2000); //图片轮转鼠标移入停止移出滚动
$("#ulli").mouseenter(function(){
clearInterval(nextli);
}).mouseleave(function(){
nextli = setInterval("$(‘.next‘).click()",2000);
});