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时间： 2021-07-31 作者：daque

要实行此功效把如次代码介入到<body>地区中

//底下树立表露功效的属性var message="welcome to javascript fairyland!"var neonbasecolor="gray"var neontextcolor="33ff33"var flashspeed=100 //in milliseconds

///no need to edit below this line/////

var n=0if (document.all){document.write('<font color="'+neonbasecolor+'">')for (m=0;m<message.length;m++)document.write('<span id="neonlight">'+message.charat(m)+'</span>')document.write('</font>')

//cache reference to neonlight arrayvar tempref=document.all.neonlight}elsedocument.write(message)

function neon(){

//change all letters to base colorif (n==0){for (m=0;m<message.length;m++)tempref[m].style.color=neonbasecolor}

//cycle through and change individual letters to neon colortempref[n].style.color=neontextcolor

if (n<tempref.length-1)n++else{n=0clearinterval(flashing)settimeout("beginneon()",1500)return}}

function beginneon(){if (document.all)flashing=setinterval("neon()",flashspeed)}beginneon()

</script></h2>

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