回答編集履歴
1
追記
answer
CHANGED
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@@ -14,4 +14,32 @@
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14
14
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result.innerHTML = row.join('<br>');
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15
15
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}
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16
16
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draw(8);
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17
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+
```
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18
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+
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19
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+
# 追記
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20
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+
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21
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+
```javascript
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22
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function draw(num) {
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23
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let result = document.getElementById('result');
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24
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let circle = '○';
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25
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let cross = 'X';
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26
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let row = [];
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27
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+
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28
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for (let i = num - 1; i > 0; i--) {
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29
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row.push(circle.repeat(i));
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30
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}
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31
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console.log(row.join('\n'));
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32
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+
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33
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row.forEach(function (line, i) {
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34
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row[i] = line + cross;
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35
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});
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36
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row[row.length] = cross;
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37
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console.log(row.join('\n'));
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38
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+
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39
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row.forEach(function (line, i) {
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40
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row[i] = (line + circle.repeat(num)).substr(0, num);
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41
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});
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42
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console.log(row.join('\n'));
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43
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}
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44
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draw(8);
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17
45
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```
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