What are the two categories of JavaScript data types?
Javascript data types are divided into:
Value types (basic types): String, Number, Boolean ( Boolean), Null, Undefined, Symbol.
Reference data types: Object, Array, Function.
Dynamic typing:
JavaScript has dynamic typing. This means that the same variable can be used as different types.
Example:
The result shows:
Three ways to declare arrays :
Two addressing modes for object properties:
Example:
Output:
Recommended tutorial: js introductory tutorial
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