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Typeof usage in JavaScript

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In JavaScript, typeof is an operator used to determine the data type of a given variable. Can be used to determine whether a variable is a string, number, Boolean, function, object, or undefined data type. For more articles related to the usage of typeof, please see the articles below this topic for details. PHP Chinese website welcomes everyone to come and learn.

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time：2023-11-23 10:41:22

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