html+css+javascript实现跟随鼠标移动显示选中效果 的方法

这篇文章主要介绍了html+css+javascript实现跟随鼠标移动显示选中效果 的方法，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

1，显示效果：

2,html结构

<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>

3，主要的css样式

.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;}

4，JavaScript的编写

<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>

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