Day 7 JavaScript fundamentals exercises

Day 7: Array Cardio Day 2

This challenge is an extension of Day 4's JS fundamentals. As before, I came up with the solutions before going through the video.

What did I learn?

I should rephrase this as 'What Am I Noticing?'. I'm getting better at my ES6 syntax! It's been incredibly helpful to write out my functions in ES5 first and then refactor them using ES6. Even one week in, I'm already noticing an improvement of the speed in which I'm writing out my code. I didn't expect this to happen so quickly. Motivation!

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