Why is ReactDOM undefined?

When you encounter an error saying ‘ReactDOM’ is not defined, it means that your application is can’t find the variable ReactDOM because it hasn’t been initialized yet . Generally, “X is not defined error” is caused by wrong import and different letter case between import and the imported variable call.16 Eki 2020

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Why is ReactDOM undefined?

When you encounter an error saying ‘ReactDOM’ is not defined, it means that your application is can’t find the variable ReactDOM because it hasn’t been initialized yet . Generally, “X is not defined error” is caused by wrong import and different letter case between import and the imported variable call.16 Eki 2020

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