Js_字体滚动换颜色

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<title>部分文字滚动染色js特效-柯乐义</title>
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请注意下方的文字,部分文字染成红色,且红色循环移动。 <a href="http://keleyi.com/a/bjad/bd55blos.htm" target="_blank">原文</a>
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<script type="text/javascript">
var message="欢迎访问柯乐义网,这里提供web前端等学习资料。"
var neonbasecolor="#333333"
var neontextcolor="#ff0000"
var neontextcolor2 = "#ff3333"
var flashspeed=100
var flashingletters=8
var flashingletters2=2
var flashpause=0 
var n=0
if (document.all||document.getElementById){
document.write('<font color="'+neonbasecolor+'">')
for (m=0;m<message.length;m++)
document.write('<span id="neonlight'+m+'">'+message.charAt(m)+'</span>')
document.write('</font>')
}
else
document.write(message)
function crossref(number){
var crossobj=document.all? eval("document.all.neonlight"+number) : document.getElementById("neonlight"+number)
return crossobj
}
function neon(){
if (n==0){
for (m=0;m<message.length;m++)
crossref(m).style.color=neonbasecolor
}
crossref(n).style.color=neontextcolor
if (n>flashingletters-1) crossref(n-flashingletters).style.color=neontextcolor2 
if (n>(flashingletters+flashingletters2)-1) crossref(n-flashingletters-flashingletters2).style.color=neonbasecolor
if (n<message.length-1)
n++
else{
n=0
clearInterval(flashing)
setTimeout("beginneon()",flashpause)
return
}
}
function beginneon(){
if (document.all||document.getElementById)
flashing=setInterval("neon()",flashspeed)
}
beginneon()
</script>

<div><br /><a href="http://keleyi.com" target="_blank">keleyi.com</a></div>
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原文地址:https://www.cnblogs.com/ingstyle/p/4668415.html