How to call the loading function with React useEffect only once in ReactJS

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How to call the loading function using React useEffect once only in ReactJS

in ReactJS

ReactJS allows you to call the loading function only once. You can also use useMountEffect and declare your function in. Your function will then run once. Here’s my example. Now, your function will run for one.

Method 1: Use the useEffect

It is possible to use your function in useEffect that will run your function only once. Here’s my example.

const runThisFunOnce = () => {
  console.log("runThisFunOnce");
};

function YourComponent() {

  useEffect(() => {
    runThisFunOnce();
  }, []);

  return <div> .... </div>;
}

Now, you can run your runThisFunOnce function once.

Method 2: Use $strongTag1

You can also use useMountEffect to declare your function. Then, your function will only run once. Here’s my example.

const runThisFunOnce = () => {
  console.log("runThisFunOnce");
};

function MyComponent() {

    const useMountEffect = (fun) => useEffect(fun, [])

    useMountEffect(runThisFunOnce)
    return <div>...</div>;

}

Your Function will now run for one.

Final Words

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