回答編集履歴
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code
test
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乱数を生成し、値に応じて出す手を変えればよいのではないでしょうか
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```javascript
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var random = Math.floor(Math.random()*3);
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7
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var hand = ["グー","パー","チョキ"];
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if( random == 0 ){
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document.write(hand[0]);
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}else if( random == 2 ){
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document.write(hand[1]);
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}else{
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document.write(hand[2]);
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}
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25
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```
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