回答編集履歴
1
ReferenceError: elapsedTime is not defined
test
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@@ -42,4 +42,24 @@
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### ReferenceError: elapsedTime is not defined
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> ```JavaScript
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> var elapsedtime = 0;
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> // ...(中略)...
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> elapsedTime += Date.now() - startTime;
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> ```
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大文字/小文字の違いに気を付けてください。
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Re: kana98097 さん
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