I am still trying to wrap my head around the concept I learned in class a while ago. We learned briefly about constructors in JavaScript. Can someone please ELI5? Thank you!
In: Technology
To ELI5 this, in object oriented programming you define various classes to represent *objects* you intend to instantiate (allocate memory for) and use for some purpose. It might be a person, a database connection, some data representation of something, some object that performs some task, etc.
The constructor *constructs* the object, meaning, memory is allocated and it becomes ready for use.
If you don’t define one, the compiler will create a default constructor for you.
You can parameterize a constructor such as creating a database connection by passing in a connection string to the server on the network where it exists, so it will be able to connect to it when the object is created.
It allocates memory, and performs tasks to make the object ready for use.
There’s lots more detail on this beyond this, but that’s a basic explanation.
A builder has a schematic or plans to build a house, they then get all the parts to *construct* that house, and parameters may be what type of wood, brick, appliances, wiring, etc. to make the house to the customer specifications.
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