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Employers often look for a background in computer science when hiring, and knowledge of data structures and algorithms is central to any computer science curriculum, particularly at universities. Understanding efficient ways to store and retrieve data efficiently is critical to becoming a great programmer and this knowledge will help you throughout your career, regardless of how far along you are.

In these lessons, you'll learn how to implement common data structures from scratch using JavaScript. This will teach you how data structures are designed. In JavaScript, you often work with data structures like Arrays, Objects, and many other information storage mechanisms. Thinking about how they are designed will make you appreciate how languages work under the hood.