useeffect not called on mount code example
Example 1: useeffect only on mount
import React, { useEffect } from 'react';
function App() {
useEffect(() => {
// Run! Like go get some data from an API.
}, []);
}
Example 2: useeffect componentdidmount
import React, { useState, useEffect } from 'react';
function Example() {
const [count, setCount] = useState(0);
// Similar to componentDidMount and componentDidUpdate:
useEffect(() => {
// Update the document title using the browser API
document.title = `You clicked ${count} times`;
});
);
}