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JavaScript typeof Operator Example
Updated on
Kisan Patel
To find the data type of its operand, such as whether a variable is string, numeric, or even undefined in javascript, you need to use typeof operator.
Syntax
typeof operand
The typeof operator returns the primitive type of the variable.
If the variable is of object type or null then it returns objects.
If a variable is declared and is not used then its type is undefined.
