jq代码$(function (){$("#div1").hover(
function(){ $("#div3").css("visibility","visible");},
function(){ $("#div3").css("visibility","hidden");}
)
})
function(){ $("#div3").css("visibility","visible");},
function(){ $("#div3").css("visibility","hidden");}
)
})
如 div1的ID为_div1 div3的ID为_div3$(#_div1).mousemove(function(){
$(#_div3).style.display="none";
});