Finding an object's class
To find whether an object was constructed by a certain constructor or one inheriting from it, you can use the instanceof command:
Note that primitive values are not considered instances of any class:
Getting object type by constructor name
When one with typeof operator one gets type object it falls into a somewhat wast category...
In practice, you might need to narrow it down to what sort of 'object' it actually is and one way to do it is to use object constructor name to get what flavour of object it actually is: Object.prototype.toString.call(yourObject)
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