<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8" />

<title>验证</title>

<style>

#wrap{ width:215px; height:200px; border:1px solid #ddd; margin-top:10px; overflow:auto; position:relative;}

#wrap ul{ padding:0; margin:0;}

#wrap ul li{ width:50px; margin:5px 2px 5px 11px; height:30px; background:#CFC; float:left; font-size:13px; list-style:none; _display:inline; _zoom:1; line-height:30px; text-align:center;}

#wrap ul li.yes1{ background:#40F0ED;}

#wrap ul li.yes2{ background:#5F3FEF;}

#wrap ul li.yes3{ background:#EF3FD7;}

#wrap ul li.yes4{ background:#5F3FEF;}

#wrap ul li.yes{ background:#f00;}

#wrap ul li.no{ background:#F39;}

#tipInfor{ position:absolute; left:0; top:0; overflow:hidden; height:0; z-index:10; width:100%; background:#f1f1f1; color:#333; font-size:13px; font-weight:bold; line-height:24px;}

</style>

</head>

<body>

<div>

  <input type="text" />

  <button>开始</button>

</div>

<div id="wrap">

<div id="tipInfor">亲爱的校友，你填入的名称与学校档案库的姓名，匹配不成功，请您继续报到，我们会进行后台审核并及时更新</div>

  <ul>

    <li>1</li>

    <li>2</li>

    <li>3</li>

    <li>4</li>

    <li>5</li>

    <li>6</li>

    <li>7</li>

    <li>8</li>

    <li>9</li>

    <li>10</li>

    <li>11</li>

    <li>12</li>

    <li>13</li>

    <li>14</li>

    <li>15</li>

    <li>16</li>

    <li>17</li>

    <li>18</li>

    <li>19</li>

    <li>20</li>

    <li>21</li>

    <li>22</li>

    <li>23</li>

    <li>24</li>

  </ul>

</div>

</body>

</html>

<script type="text/javascript">

var obj=document.getElementById("wrap");

var btn=document.getElementsByTagName("button")[0];

var aLi=document.getElementsByTagName("li");

var a=document.getElementById("tipInfor");

btn.onclick=function(){

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    var i=0;

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        if(i==aLi.length){

            clearInterval(btn.timer)

            //obj.style.overflow="hidden";

            a.style.height="100%";

            obj.scrollTop=0;

            return;

        }else{

            var t=aLi[i].innerHTML;

            if(t.trim()==txt.trim()){

            blinkBg(aLi[i]);

            clearInterval(btn.timer);

            }else{

                obj.scrollTop=aLi[i].offsetTop*0.7;

                aLi[i].className="no";

            }

        }

        i++;

    },100)

}

function init(){

    for(var i=0;i<aLi.length;i++){

        aLi[i].className="";

    }

    a.style.height=0;

}

function blinkBg(obj){

    var bgArr=["yes1","yes2","yes3","yes4","yes"]

    var i=0;

    obj.timer=setInterval(function(){

        if(i==bgArr.length-1){

            clearInterval(obj.timer);

        }

        obj.className=bgArr[i];

        i++;

    },

    150)

}

String.prototype.trim=function(){

    var reg=/\s/g;

    return this.replace(reg,"")

}

</script>