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Discussion on: Ways of Getting Data from API in React

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Olena Drugalya Author

In this case you can introduce a variable to track if the component is unmounted or not. If you use functional component, you can write something like this:
useEffect(() => {
let isMounted = true; // track whether component is mounted

  .then(result => {
    if (isMounted) {

return () => {
  // clean up
  isMounted = false;
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}, []); // only on "didMount"