回答編集履歴
1
chousei
test
CHANGED
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@@ -27,3 +27,33 @@
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27
27
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<div>ccc</div>
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28
28
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29
29
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```
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30
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+
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31
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+
もっと単純に書くなら
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32
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+
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33
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+
```javascript
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34
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+
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35
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<script>
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36
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+
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37
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window.addEventListener('DOMContentLoaded', function(e){
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38
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+
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39
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[].forEach.call(document.querySelectorAll("div"),function(x){
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40
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+
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41
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x.addEventListener("click", function(){
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42
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+
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43
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this.classList.add("add");
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44
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+
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45
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});
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46
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+
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47
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});
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48
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+
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49
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});
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50
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+
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51
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</script>
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52
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+
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53
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<div>aaa</div>
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54
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+
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55
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<div>bbb</div>
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56
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+
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57
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<div>ccc</div>a
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58
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+
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59
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```
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