Web Reference: 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. Oct 30, 2025 · JavaScript offers seven primitive types: Number: used for all number values (integer and floating point) except for very big integers. BigInt: used for arbitrarily large integers. String: used to store text. Boolean: true and false — usually used for conditional logic. Symbol: used for creating unique identifiers that won't collide. Aug 1, 2025 · As with almost every programming language, JavaScript treats various types of values differently. A string like “Hello world” is very different from a number like 42.
YouTube Excerpt: Learn more JS from Chris and get the source code from this video https://gomakethings.com/kevin-powell In
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