React Answers

How to listen to local storage value changes in React?

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To listen to local storage value changes in React, we listen to the storage event.

For instance, we write

window.addEventListener("storage", (e) => {
  this.setState({ auth: true });

to listen to the storage event by calling window.addEventListener with 'storage'.

And then we do whatever we want when it changes by calling it with a callback that runs when the event is triggered.

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