Understand the Hazards of Using Imperative Code: tabOpen & tabClose

JavaScript
1

Hello,
https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/functional-programming/understand-the-hazards-of-using-imperative-code

As this lesson talk about tabOpen() & tabClose() functions, I looked for informations inside MDN siteweb but I didn’t found them.
Instead them I found tab.create() & tab.remove().

What’s matter?

2

that is because the lesson is implementing those functions, they don’t exist as prototype functions in Window object natively.

3

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