回答編集履歴
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sample
test
CHANGED
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test()内でformのtargetを書き換えればどうでしょう?
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# sample
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```javascript
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<script>
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11
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window.addEventListener('DOMContentLoaded', function(e){
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document.querySelector('#preview').addEventListener('click',function(e){
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var f=e.target.form;
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f.target="preview";
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f.submit();
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f.target="_self";
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});
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});
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</script>
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<form method="post" id="inform">
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<input type="text" name="name">
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<input type="text" name="body">
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<input type="button" value="プレビュー画面" id="preview">
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<input type="submit" name="submit_reg" value="登録">
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</form>
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41
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```
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