# typeof

> operator provided by several programming languages to determine the data type of a variable (useful when constructing programs that must accept multiple types of data without explicitly specifying the type)

**Wikidata**: [Q7860933](https://www.wikidata.org/wiki/Q7860933)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Typeof)  
**Source**: https://4ort.xyz/entity/typeof