波浪字符特效(经典)

 
要完成此效果需要两个步骤
第一步:把如下代码加入到<head>区域中
<script>
message= "欢 迎 光 临  Rhyme.Tan的技术空间!"
ns6switch=1

var ns6=document.getElementById&&!document.all
mes= new Array();
mes[0]=-1;
mes[1]=-4;
mes[2]=-7;mes[3]=-10;
mes[4]=-7;
mes[5]=-4;
mes[6]=-1;
num=0;
num2=0;
txt="";
function jump0(){
if (ns6&&!ns6switch){
jump.innerHTML=message
return
}
if(message.length > 6){
for(i=0; i != message.length;i++){
txt=txt+ "<span style='position:relative;' id='n"+i+ "'>"+message.charAt(i)+ "</span>"};
jump.innerHTML=txt;
txt="";
jump1a()
}
else{
alert( "http://www.jsshow.com")
}
}

function jump1a(){
nfinal=(document.getElementById)? document.getElementById("n0") : document.all.n0
nfinal.style.left=-num2;
if(num2 != 9){
num2=num2+3;
setTimeout("jump1a()",50)
}
else{
jump1b()
}
}

function jump1b(){
nfinal.style.left=-num2;
if(num2 != 0){num2=num2-3;
setTimeout("jump1b()",50)
}
else{
jump2()
}
}

function jump2(){
txt="";
for(i=0;i != message.length;i++){
if(i+num > -1 && i+num < 7){
txt=txt+"<span style='position:relative;top:"+mes[i+num]+"'>"+message.charAt(i)+"</span>"
}
else{txt=txt+"<span>"+message.charAt(i)+"</span>"}
}
jump.innerHTML=txt;
txt="";
if(num != (-message.length)){
num--;
setTimeout("jump2()",50)}
else{num=0;
setTimeout("jump0()",50)}}
</script>
 
第二步:把如下代码加入到<body>区域中
 
<h2><div id= "jumpx" style= "color:33ff33"></div></h2>
<script>
if (document.all||document.getElementById){
jump=(document.getElementById)? document.getElementById( "jumpx") : document.all.jumpx
jump0()
}
else
document.write(message)
</script>

效果如下图:

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