text="www.jb51.net";
color1="green";
color2="red";
speed=200;
i=0;
if(navigator.appName=="Netscape"){
}
else{
document.write("
}
functionchangeCharColor(){
if(navigator.appName=="Netscape"){
document.a.document.write("
for(varj=0;j
document.a.document.write("
}
else{
document.a.document.write(text.charAt(j));
}
}
document.a.document.write('');
document.a.document.close();
}
if(navigator.appName=="MicrosoftInternetExplorer"){
str="
for(varj=0;j
str+="
}
else{
str+=text.charAt(j);
}
}
str+="";
a.innerHTML=str;
}
(i==text.length)?i=0:i++;
}
setInterval("changeCharColor()",speed);
//End-->
运行效果
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
