回答編集履歴
1
let -> const
answer
CHANGED
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@@ -10,8 +10,8 @@
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10
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];
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list.addEventListener('click', e => {
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-
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+
const nowIndex = iconList.findIndex(icon => e.target.classList.contains(icon));
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-
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+
const nextIndex = (nowIndex + 1) % iconList.length;
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e.target.classList.replace(iconList[nowIndex], iconList[nextIndex]);
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});
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```
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