One could argue that every variable holds a reference, at least in abstraction. Using let a = 1 doesn't contradict this, because one can say it's the object 1 that's being assigned. This pseudo object has no properties and can not be manipulated, but can be assigned to other variables, just like any bonafide object. If we then say a = 2, we'd be changing the referencea is pointing to, rather than changing the actual number. I know this is entirely semantics, and that the actual implementation does classify values as different from references internally, but making that distinction while learning the language seems unnecessary. I hope this makes sense.
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One could argue that every variable holds a reference, at least in abstraction. Using
let a = 1doesn't contradict this, because one can say it's the object1that's being assigned. This pseudo object has no properties and can not be manipulated, but can be assigned to other variables, just like any bonafide object. If we then saya = 2, we'd be changing the referenceais pointing to, rather than changing the actual number. I know this is entirely semantics, and that the actual implementation does classify values as different from references internally, but making that distinction while learning the language seems unnecessary. I hope this makes sense.