📄 实例108.页面产生百叶窗效果.html
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<style>
<!--
.tro{position:absolute;
left:0;
top:0;
layer-background-color:red;
background-color:red;
border:0.1px solid red
}
-->
</style>
<body>
<div id="i1" class="tro"></div>
<div id="i2" class="tro"></div>
<div id="i3" class="tro"></div>
<div id="i4" class="tro"></div>
<div id="i5" class="tro"></div>
<div id="i6" class="tro"></div>
<div id="i7" class="tro"></div>
<div id="i8" class="tro"></div>
<SCRIPT language=javascript>
<!--
var speed=30
var temp=new Array()
var temp2=new Array()
if (document.all){
var clipbottom=document.body.offsetHeight,cliptop=0
for (i=1;i<=8;i++){
temp[i]=eval("document.all.i"+i+".style")
temp[i].width=document.body.clientWidth/8
temp[i].height=document.body.offsetHeight
temp[i].left=(i-1)*parseInt(temp[i].width)
}
}
function openit(){
window.scrollTo(0,0)
if (document.all){
clipbottom-=speed
for (i=1;i<=8;i=i+2){
temp[i].clip="rect(0 auto+"+clipbottom+" 0)"
}
cliptop+=speed
for (i=2;i<=8;i=i+2){
temp[i].clip="rect("+cliptop+" auto auto)"
}
if (clipbottom<=0)
clearInterval(stopit)
}
}
stopit=setInterval("openit()",100)
//-->
</SCRIPT>
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