| <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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