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几个不错的自动收缩菜单导航效果

2016-10-14|发布：合元网络|点击数: 1623

第一个：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<head>

<title>runcode</title>

var mh = 30;//最小高度

var step = 1;//每次变化的px量

var ms = 10;//每隔多久循环一次

function toggle(o){

if (!o.tid)o.tid = "_" + Math.random() * 100;

if (!window.toggler)window.toggler = {};

if (!window.toggler[o.tid]){

window.toggler[o.tid]={

obj:o,

maxHeight:o.offsetHeight,

minHeight:mh,

timer:null,

action:1

};

}

o.style.height = o.offsetHeight + "px";

if (window.toggler[o.tid].timer)clearTimeout(window.toggler[o.tid].timer);

window.toggler[o.tid].action *= -1;

window.toggler[o.tid].timer = setTimeout("anim('"+o.tid+"')",ms );

}

function anim(id){

var t = window.toggler[id];

var o = window.toggler[id].obj;

if (t.action < 0){

if (o.offsetHeight <= t.minHeight){

clearTimeout(t.timer);

return;

}

else{

if (o.offsetHeight >= t.maxHeight){

clearTimeout(t.timer);

return;

}

o.style.height = (parseInt(o.style.height, 10) + t.action * step) + "px";

window.toggler[id].timer = setTimeout("anim('"+id+"')",ms );

}

</script>

div.xx{border:solid 1px;overflow:hidden;}

div.xx h5{border:solid 1px;border-width:0 0 1px;padding:0;margin:0;height:30px;line-height:30px;cursor:pointer;background:#eee;}

</style>

</head>

<body>

</div>

</div>

</body>

</html>

第二个：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<head>

<title>runcode</title>

var mh = 30;//最小高度

var step = 1;//每次变化的px量

var ms = 10;//每隔多久循环一次

var caiying2007=202//最大高度

window.onload=function init(){

var obj_init=document.getElementsByTagName("div")

for (var oi=0;oi<obj_init.length;oi++){

if (obj_init[oi].className=="xx"){obj_init[oi].style.height=mh + "px";}

}

function toggle(o){

if (!o.tid)o.tid = "_" + Math.random() * 100;

if (!window.toggler)window.toggler = {};

if (!window.toggler[o.tid]){

window.toggler[o.tid]={

obj:o,

// maxHeight:o.offsetHeight,

maxHeight:caiying2007,

minHeight:mh,

timer:null,

action:-1

};

}

o.style.height = o.offsetHeight + "px";

if (window.toggler[o.tid].timer)clearTimeout(window.toggler[o.tid].timer);

window.toggler[o.tid].action *= -1;

window.toggler[o.tid].timer = setTimeout("anim('"+o.tid+"')",ms );

}

function anim(id){

var t = window.toggler[id];

var o = window.toggler[id].obj;

if (t.action < 0){

if (o.offsetHeight <= t.minHeight){

clearTimeout(t.timer);

return;

}

else{

if (o.offsetHeight >= t.maxHeight){

clearTimeout(t.timer);

return;

}

o.style.height = (parseInt(o.style.height, 10) + t.action * step) + "px";

window.toggler[id].timer = setTimeout("anim('"+id+"')",ms );

}

</script>

div.xx{border:solid 1px;overflow:hidden;height:200px}

div.xx h5{border:solid 1px;border-width:0 0 1px;padding:0;margin:0;height:30px;line-height:30px;cursor:pointer;background:#eee;}

</style>

</head>

<body>

</div>

</div>

</script>

</body>

</html>

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