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Introduction Unlike many other programming languages, JavaScript's way of handling data collection is mostly with objects and arrays(don't forget, technically array is also a type of object in JavaScript). A majority of the developers rely on these heavily for slicing and dicing the data into a suitable data structure. In the pre-ES6 era, there were not many options to deal with collections of data. Using an array was a great way of achieving it. The combination of an array and object makes the ...