Javascript Coding Questions

Refactor the code to use early returns instead of too many if-else statements.

Most common code smells are easy to spot. Long methods are one of them. Refactor it to make it more readable and maintainable.

One of our favorite questions to test a bit of problem solving skills.

The Array.at() method takes an integer value and returns the item at that index, allowing for positive and negative integers. Negative integers count back from the last item in the array.

The Array.filter() method creates a new array with all elements that pass the test implemented by the provided function.

A classic game but can you build it without using a framework?

The Promise.all() static method returns a single promise that resolves when all of the promises in an array argument have resolved, or rejects when any of the promises in the array reject.