Build time travel debugging in Redux from scratch

Trey Huffine
Level Up Coding
Published in
8 min readMay 7, 2018

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In this tutorial we will go step-by-step through building time travel debugging from scratch. We will begin by covering the core principles of Redux and how they enable building such a powerful feature. We will then build the Redux core library and time travel debugging in pure JavaScript and connect it to a simple HTML application, without using any React.

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