How do you check if a variable has been initialized?

Answer: Use the typeof operator If you want to check whether a variable has been initialized or defined (i.e. test whether a variable has been declared and assigned a value) you can use the typeof operator.

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How do you check if a variable has been initialized?

Answer: Use the typeof operator If you want to check whether a variable has been initialized or defined (i.e. test whether a variable has been declared and assigned a value) you can use the typeof operator.

Sizin İçin Seçtik  How big is a 5G chip?

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