[t] 아코디언 효과

요점: 현재 요소 가 아 닌 폭 을 계산 한 다음 총 폭 으로 빼 면 현재 너비 설정 타이머 의 끝 점 을 즉시 얻 을 수 있 습 니 다.
html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>     </title>

<style type="text/css">

    * { padding: 0; margin: 0; }

    li { list-style: none; }

    body { background: #f6f9fc; }

    

    div { width: 660px; height: 254px; border: 1px solid #ccc; margin: 50px auto 0; overflow:hidden; }

    ul { width: 3300px; height: 254px; }

    ul li { width: 22px; height: 254px; float: left; position: relative; overflow:hidden; }

    .active { width: 550px; }

    ul span { width: 21px; height: 244px; padding-top: 10px; border-right: 1px solid #fff; position: absolute; top: 0; right: 0; color: #fff; font-size: 12px; text-align: center; cursor: pointer; }

    ul img { width: 550px; height: 254px; }

    .bg0 { background: #00FFCC; }

    .bg1 { background: #636363; }

    .bg2 { background: #3d7fbb; }

    .bg3 { background: #5ca716; }

    .bg4 { background: #f28b24; }

    .bg5 { background: #7c0070; }    

</style>

<script src="dome.js"></script>

</head>



<body>



<div id="show1">

    <ul>

        <li class="active">

            <span class="bg0">     </span>

            <img src="images/1.jpg" />

        </li>

        <li>

            <span class="bg1">     </span>

            <img src="images/2.jpg" />

        </li>

        <li>

            <span class="bg2">     </span>

            <img src="images/3.jpg" />

        </li>

        <li>

            <span class="bg3">     </span>

            <img src="images/4.jpg" />

        </li>

        <li>

            <span class="bg4">     </span>

            <img src="images/5.jpg" />

        </li>

        <li>

            <span class="bg5">     </span>

            <img src="images/6.jpg" />

        </li>

    </ul>

</div>



</body>

</html>

dome.js

window.onload=function ()

{

    createAccordion('show1');

};



function createAccordion(id){

    var oDiv = document.getElementById(id);

    var aLi = oDiv.getElementsByTagName('li');

    var aSpan = oDiv.getElementsByTagName('span');

    

    var iMinWidth = 9999;

    var i=0;

    

    oDiv.timer = null;

    

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

        aSpan[i].index = i;

        aSpan[i].onmouseover = function(){

            gotoImg(oDiv, this.index, iMinWidth);

        }

        iMinWidth = Math.min(iMinWidth, aLi[i].offsetWidth);

    }

}



function gotoImg(oDiv, iIndex, iMinWidth){

    oDiv.timer ? clearInterval(oDiv.timer) : '';

    oDiv.timer = setInterval(function(){

        changeWidthInner(oDiv, iIndex, iMinWidth);

    }, 30);

}



function changeWidthInner(oDiv, iIndex, iMinWidth){

    var aLi = oDiv.getElementsByTagName('li');

    var aSpan = oDiv.getElementsByTagName('span');

    var iWidth=oDiv.offsetWidth;

    var bEnd = true;

    var w=0;

    var i=0;

    

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

        if(i==iIndex){

            continue;

        }

        if(aLi[i].offsetWidth == iMinWidth){

            iWidth -= iMinWidth;

            continue;

        }

        

        bEnd = false;

        

        var speed = Math.ceil((aLi[i].offsetWidth - iMinWidth)/5);

        w = aLi[i].offsetWidth - speed;

        if(w <= iMinWidth){

            w = iMinWidth;

        }

        aLi[i].style.width = w + 'px';

        

        iWidth -= w;

    }

    

    aLi[iIndex].style.width = iWidth + 'px';

    

    bEnd ? clearInterval(oDiv.timer) : '';

}

[t] 아코디언 효과

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