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This article is about how JavaScript determines the data type of an object. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Determine the data type of the object

Using Object.prototype.toString with closures, return different judgment functions by passing in different judgment types, one line of code, concise, elegant and flexible (note that the first letter is capitalized when passing in type parameters)

It is not recommended to use this function to detect basic data types that may produce a wrapper type, because call will box the first parameter.

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