Modern JavaScript from the Beginning - Second Edition - Array Challenges

The video tutorial presents two coding challenges focused on array manipulation in JavaScript. The first challenge involves creating and mutating an array from numbers 1 to 5 into 6 to 0 using methods like reverse, push, and unshift. The second challenge requires concatenating two arrays while removing duplicate elements, using methods such as concat, slice, and splice. The instructor provides solutions and encourages viewers to attempt the challenges independently, highlighting multiple approaches to achieve the same result.

What are the two different solutions provided for the second challenge?

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How does the teacher suggest using the slice method in the first solution?

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What is the significance of the spread operator in the second solution?

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