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how to poll every n seconds in react js

Anxious Alligator answered on February 28, 2022 Popularity 1/10 Helpfulness 1/10

answer how to poll every n seconds in react js

how to poll every n seconds in react js

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import React, { useState, useEffect, useRef } from 'react';

function useInterval(callback, delay) {
  const savedCallback = useRef();

  // Remember the latest callback.
  useEffect(() => {
    savedCallback.current = callback;
  }, [callback]);

  // Set up the interval.
  useEffect(() => {
    function tick() {
      savedCallback.current();
    }
    if (delay !== null) {
      let id = setInterval(tick, delay);
      return () => clearInterval(id);
    }
  }, [delay]);
}

function Counter() {
  let [count, setCount] = useState(0);

  useInterval(() => {
    // Your custom logic here
    setCount(count + 1);
  }, 1000);

  return <h1>{count}</h1>;
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: overreacted.io

Tags: javascript n seconds

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Contributed on Feb 28 2022

Anxious Alligator

0 Answers Avg Quality 2/10

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how to poll every n seconds in react js

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