10 docs tagged with "is"

This function determines whether the given value is a real array.

This function determines whether the given value is a primitive boolean.

This function determines whether the given value is a valid Date object.

This function determines whether the given value is a real function.

This function determines whether the given value is the special NaN value.

This function determines whether the given value is exactly null.

This function determines whether the given value is a valid, finite primitive number.

This function determines whether the given value is a plain object.

This function determines whether the given value is a primitive string.

This function determines whether the given value is a symbol primitive.