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Giving the right name

importance: 3
  1. Create the variable with the name of our planet. How would you name such a variable?
  2. Create the variable to store the name of the current visitor. How would you name that variable?

First, the variable for the name of our planet.

That’s simple:

let ourPlanetName = "Earth";

Note, we could use a shorter name planet, but it might be not obvious what planet it refers to. It’s nice to be more verbose. At least until the variable isNotTooLong.

Second, the name of the current visitor:

let currentUserName = "John";

Again, we could shorten that to userName if we know for sure that the user is current.

Modern editors and autocomplete make long variable names easy to write. Don’t save on them. A name with 3 words in it is fine.

And if your editor does not have proper autocompletion, get a new one.