How Can I Tell What Parameters to put into the constructor?

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#1

I have noticed that on the projects I am doing they will sometimes tell you to " create a constructor() that accepts number arguments.". How can I know which arguments to put into this, like what should I name them and how do I know what to name them?

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#3

Before we look at your code, let’s be sure we understand what a constructor is…

function Foo(foo) {
  this.foo = foo
}

x = new Foo('x')

console.log(x.foo)    //  x