var?$li?=?$('li');
$li.on('mouseover',?function?()?{
???mutipleMove($(this),?400)
})
$li.on('mouseout',?function?()?{
???mutipleMove($(this),?200)
})
function?mutipleMove(obj,?target)?{
???clearInterval(obj.timer);
???var?speed?=?0;
???if?(obj.width()?>?target)?{
??????speed?=?-10;
???}
???else?{
??????speed?=?10;
???}
???obj.timer?=?setInterval(function?()?{
??????if?(obj.width()?==?target)?{
?????????clearInterval(obj.timer)
??????}
??????else?{
?????????obj.css({
????????????'width':?'+='?+?speed?+?''
?????????})
??????}
???},?30)
}

哪里錯了？？