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Challenge: Create Phone Number

Explore how to transform an array of 10 integers into a formatted phone number string by using JavaScript's slice method. This lesson helps you develop step-by-step problem-solving skills by designing an algorithm and implementing it for the challenge. Practice this fundamental language skill to improve your coding interview readiness.

Problem statement #

In this challenge, you have to define a function, createPhoneNumber, that accepts an array of 10 integers (between 0 and 9). It should return a string of those numbers in the form of a ...