From the course: Build Modern Web Apps with React, Hooks, State Management, and APIs Using Vite or Next.js

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Managing arrays: Summary

Managing arrays: Summary

From the course: Build Modern Web Apps with React, Hooks, State Management, and APIs Using Vite or Next.js

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Managing arrays: Summary

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Welcome back. In this video, we'll discuss how we can manage arrays using useState. In the real-world example, we are mostly dealing with arrays because the real-time data is always going to be in the form of arrays or objects. It's hardly that we have to define something that is in string variables or boolean variables. We do have to define it, but just for the sake of handling the component logic and doing some logical stuff. But dealing with users data or your real-time API data, we are always dealing with objects and arrays. Just like the objects, the arrays also be updated immutably. Consider this example, over here we have three different examples where we have to add an item to an array, remove an item from an array and update an item in the array. Let's go about this one by one. Consider that you have a uState value which is list and type of this list is going to be an array. So when you have to update this list to add an item, you have to get the previous value which will…

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