6/3 期末考 不重複
<html> <meta charset="UTF-8"> <head> <title>期末2</title> </head> <body> <script> var balls = new Array(10); var i=0,j=0,k=0; for(i=0;i<10;i++) { balls[i]=i+1; } for(i=1;i<=1000;i++) { j=Math.floor(Math.random()*9); k=Math.floor(Math.random()*9); balls[49]=balls[j]; balls[j]=balls[k]; balls[k]=balls[49]; } document.write(balls[0]+","+balls[1]+","+balls[2]); </script> </body> </html>
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