亂數(不重複)－god4862791350的部落格

Jun 03 Fri 2016 14:49
亂數(不重複)

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=BIG5">
<title>第一支javaScript</title>
</head>
<body>
<Script>
var rx,ry,rz,maxNum,minNum;
minNum=0;
maxNum=9;
rx=Math.floor( Math.random() * (maxNum - minNum + 1) ) + minNum;
ry=Math.floor( Math.random() * (maxNum - minNum + 1) ) + minNum;
rz=Math.floor( Math.random() * (maxNum - minNum + 1) ) + minNum;
while(ry==rx)
{
ry=Math.floor( Math.random() * (maxNum - minNum + 1) ) + minNum;
}
while(rz==rx ||rz==ry)
{
rz=Math.floor( Math.random() * (maxNum - minNum + 1) ) + minNum;
}
document.write("亂數",+rx,+ry,+rz);