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The project was build with React again. The only problem that I have is in reordering the tasks. When I am on the All section the reordering works perfect. But as soon as I switch to Active or Completed it behaves strange.

I decided to use React for this solution. But a couple of issues occurred. In the initial load of the page in the boxes for the numbers is displayed NaN. I cope with it with && operator but then another issue pop in. When the seconds countdown it reaches 2 and never reaches 1 and 0. I think it may be from the re-rendering but I am not sure. I am open for any advices.

I didn't use React or any other framework with purpose. It is my first project for Frontend Mentor and i just wanted to check how it works. I choose the approach with JavaScript to remember some old techniques - working with DOM, oninput and onchange events and so on.