JavaScript Data Types Explained | undefined, null, number, boolean
In this video, we’ll explore some of the most common data types in JavaScript:
undefined → a variable that has been declared but not assigned a value.
null → represents the intentional absence of any value.
number → used for both integers and decimal numbers.
boolean → logical values true and false.
By the end of this lecture, you’ll clearly understand how these data types work in JavaScript and how they are used in real programs.
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