完整的html+css+javascript实现跟随鼠标移动显示选中效果

<div class="process_list-lpu">
<div class="process_line"></div>
<div class="content_list">
<ul>
<li><a href="javascipt:;">End customer get product<b>1</b></a> </li>
<li><a href="javascipt:;">Log in EFOSE website and present installation or maintenance requirements <b>2</b></a></li>
<li><a href="javascipt:;">EFOSE prefer contact service point<b>3</b></a> </li>
<li style="margin-left:115px;"><a href="javascipt:;">Customer contact service point to get service<b>4</b></a> </li>
<li><a href="javascipt:;">Customer pays the bill directly or EFOSE pays the maintenance cost<b>5</b></a> </li>
</ul>
<div class="clear"></div>
</div>

</div>

.line-lpu{ height:55px; position:relative; width:100%; overflow:hidden;}
.line-lpu span{ width:43px; height:46px; background:url('https://www.efose.com/images/banners/lpu_03.png') no-repeat; position:absolute;top:0;}
.border-lpu{border-bottom:1px  solid #959595; height:23px; }
.join-lpu li{ width:19%; float:left; margin-right:8px;background:none; padding:0; }
.join-lpu li a{ display:block; color:#606060; text-decoration:none; border:1px solid #959595; min-height:215px; padding:10px;position:relative; overflow:hidden;}
.join-lpu li a:hover{border:1px solid #337ab7;}
.join-lpu li b{ font-size:60px; position:absolute; bottom:7px; right:-1px; font-style:italic; color:#c7c7c7;}
.clear{clear:both;}
.step-lpu span{ background:url('https://www.efose.com/images/banners/icon-lpu.png') no-repeat; display:block; width:75px; height:65px; margin-left:28px;}
.step-lpu .icon0{ background-position:0 0;}
.step-lpu .icon1{ background-position:0 -70px;}
.step-lpu .icon2{ background-position:0 -140px;}
.step-lpu .icon3{ background-position:0 -204px; height:58px; margin-bottom:7px;}
.step-lpu .icon4{ background-position:0 -260px;}

<script type="text/javascript">
//实例化animationHover对象
window.onload = function(){
var ah = new animationHover();
ah.init();
};
//初始化标签对象
function animationHover(){
this.step = document.getElementById('step');
this.stepLi = this.step.getElementsByTagName('li');
this.line = document.getElementById('line');
this.attr = null;
this.timer = null;
this.target = null;

}
//初始化事件
animationHover.prototype.init=function(){
This =this;
for(var i=0;i<this.stepLi.length;i++){
this.stepLi[i].index=i;
//给li标签绑定事件
this.stepLi[i].onmouseover=function(e){
var myIndex=this.index;
This.onOver(This.line,(myIndex*162+55));
};
this.stepLi[i].onmouseout=function(){
This.line.style.left=myIndex*162+55+'px';
};

}
};
//定义鼠标经过的处理函数
animationHover.prototype.onOver=function(obj,target){
This=this;
clearInterval(this.timer);
This.target=target;
timer=setInterval(function(){
var target=This.target; //停止的目标点
var attrValue=parseInt(This.getStyle(obj,'left'));
var dx=target-attrValue; //距目标点的"路程"
var speed=1/10*dx;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
//防止取整引起的抖动
if(target==attrValue) clearInterval(timer);
//如果到达目标点，关闭定时器
else{
obj.style.left=attrValue+speed+'px';
}
},100);

};
//获取当前标签对象的css属性值
animationHover.prototype.getStyle =function(obj,attr){
if(obj.currentStyle){
return obj.currentStyle[attr];
}else{
return getComputedStyle(obj,false)[attr];
}
};

</script>