回答編集履歴
1
sample
answer
CHANGED
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@@ -3,4 +3,6 @@
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3
3
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const dtls=document.querySelector('#id_ifrem').contentWindow.document.querySelectorAll('details');
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4
4
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dtls.forEach(x=>x.open=flg);
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5
5
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}
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6
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-
```
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6
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+
```
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7
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+
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8
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+
- [codepen iframe control](https://codepen.io/yambejp/pen/vYKLmzw)
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