<html> | |
<script> | |
var answer; | |
function radom() | |
{ | |
answer=""; | |
var a1 = Math.floor(Math.random()*10); | |
var a2 = Math.floor(Math.random()*10); | |
var a3 = Math.floor(Math.random()*10); | |
while(a2==a1) | |
a2 = Math.floor(Math.random()*10); | |
while((a3==a1)||(a3==a2)) | |
a3 = Math.floor(Math.random()*10); | |
answer = a1+""+a2+""+a3; | |
document.write(answer); | |
} | |
</script> | |
<body> | |
<input type="button" value="亂數" onclick="radom()"/> | |
</body> | |
</html> |
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