下雪的js代码？
- 提问者网友：喧嚣尘世
- 2021-04-15 21:12
- 五星知识达人网友：逐風
- 2021-04-15 21:36
- 1楼网友：慢性怪人
- 2021-04-15 22:23
<html>
<head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>漫天飞舞的雪花网页特效<a class="channel_keylink" href=" http://www.shejifang.com/search.asp?Field=Title&Keyword=代码&ModuleName=Soft" target="_blank">代码</a></title> </head>
<body bgcolor="#000066" 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 >'); document.write('<div >'); for (i = 0; i < N; i++) {document.write('<div id="si" +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>
</body>
</html>