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Javascript Programming Basics.


Javascript Programming Basics.

Difference between Primitive values and Reference values?

JavaScript has 6 primitive data types: String, Number, Boolean, Null, Undefined, Symbol. 
A String object wraps around a string primitive. All primitives are immutable.

Primitive Values
Reference Values
Values that are stored on stack
Values that are stored on heap.
Values are stored directly to the location that variables accessing
Values are stored in variable location is a pointer to a location in memory where the objects is stored.
Undefined, null, Number, Boolean and string
objects
It's values, they have no properties.
Objects are aggregation of properties
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