HackerRank Problem Solving in JavaScript Sales by Match Counting Pairs of Socks 👣

In this video, I will be solving a problem called "Sales by Match" in JavaScript from #HackerRank. The problem involves counting the number of pairs of socks in a large pile, where each sock color is represented by an integer in a given array. Let's solve the problem step-by-step using a #counter #object, #Object.keys() method, and 2 for #loops to count the number of pairs from an array of integers where each element represents a color. Let's dive in!!!