CSS主页面中怎么加雪花飘落效果代码

html

创新互联制作网站网页找三站合一网站制作公司,专注于网页设计,网站设计制作、成都做网站,网站设计,企业网站搭建,网站开发,建网站业务,680元做网站,已为数千家服务,创新互联网站建设将一如既往的为我们的客户提供最优质的网站建设、网络营销推广服务!

head

title网页特效|Linkweb.cn/Js|---页面漫天飞雪/title

meta http-equiv="Content-Type" content="text/html; charset=gb2312"

/head

body bgcolor="#000000" onLoad="snow()"

script language="JavaScript"

!--

N = 40;

Y = new Array();

X = new Array();

S = new Array();

A = new Array();

B = new Array();

M = new Array();

V = (document.layers)?1:0;

iH=(document.layers)?window.innerHeight:window.document.body.clientHeight;

iW=(document.layers)?window.innerWidth:window.document.body.clientWidth;

for (i=0; i N; i++){

Y[i]=Math.round(Math.random()*iH);

X[i]=Math.round(Math.random()*iW);

S[i]=Math.round(Math.random()*5+2);

A[i]=0;

B[i]=Math.random()*0.1+0.1;

M[i]=Math.round(Math.random()*1+1);

}

if (V){

for (i = 0; i N; i++)

{document.write("LAYER NAME='sn"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFF0' CLIP='0,0,"+M[i]+","+M[i]+"'/LAYER")}

}

else{

document.write('div style="position:absolute;top:0px;left:0px"');

document.write('div style="position:relative"');

for (i = 0; i N; i++)

{document.write('div id="si" style="position:absolute;top:0;left:0;width:'+M[i]+';height:'+M[i]+';background:#fffff0;font-size:'+M[i]+'"/div')}

document.write('/div/div');

}

function snow(){

var H=(document.layers)?window.innerHeight:window.document.body.clientHeight;

var W=(document.layers)?window.innerWidth:window.document.body.clientWidth;

var T=(document.layers)?window.pageYOffset:document.body.scrollTop;

var L=(document.layers)?window.pageXOffset:document.body.scrollLeft;

for (i=0; i N; i++){

sy=S[i]*Math.sin(90*Math.PI/180);

sx=S[i]*Math.cos(A[i]);

Y[i]+=sy;

X[i]+=sx;

if (Y[i] H){

Y[i]=-10;

X[i]=Math.round(Math.random()*W);

M[i]=Math.round(Math.random()*1+1);

S[i]=Math.round(Math.random()*5+2);

}

if (V){document.layers['sn'+i].left=X[i];document.layers['sn'+i].top=Y[i]+T}

else{si[i].style.pixelLeft=X[i];si[i].style.pixelTop=Y[i]+T}

A[i]+=B[i];

}

setTimeout('snow()',10);

}

//--

/script

script language="Javascript"

!--

function selectAll(theField){

var tempval=eval("document."+theField)

tempval.focus()

tempval.select()

}

//--

/script

/table

/body

网页题目：java漫天飞雪代码的简单介绍
URL链接：http://ybzwz.com/article/hccsso.html