回答編集履歴
1
chousei
answer
CHANGED
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@@ -12,4 +12,19 @@
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12
12
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<div>aaa</div>
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13
13
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<div>bbb</div>
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14
14
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<div>ccc</div>
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15
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+
```
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16
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+
もっと単純に書くなら
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17
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+
```javascript
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18
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<script>
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19
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+
window.addEventListener('DOMContentLoaded', function(e){
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20
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[].forEach.call(document.querySelectorAll("div"),function(x){
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21
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+
x.addEventListener("click", function(){
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22
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this.classList.add("add");
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23
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});
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24
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});
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25
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});
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26
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</script>
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27
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+
<div>aaa</div>
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28
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+
<div>bbb</div>
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29
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+
<div>ccc</div>a
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15
30
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```
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