Javascript Data Types Javascript Tutorial OqkG4VB9HJM

Web Reference: Jan 19, 2026 · JavaScript data types define what kind of values a variable can hold and how those values behave in a program. They determine how data is stored in memory and how operations like comparison, calculation, and conversion work. Data types in JavaScript referes to the types of the values that we are storing or working with. One of the most fundamental characteristics of a programming language is the set of data types it supports. A JavaScript variable can hold 8 types of data. 7 Primitive Data Types and 1 Object Data Type. The Object data type can hold many different object types.

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