https://dmitripavlutin.com/react-hooks-stale-closures/

stale_closure.js

// https://dmitripavlutin.com/react-hooks-stale-closures/

function createIncrementFixed(i) {
  let value = 0;
  function increment() {
    value += i;
    console.log(value);
    return function logValue() {
      const message = `Current value is ${value}`;
      console.log(message);
    };
  }
  
  return increment;
}

const inc = createIncrementFixed(1);
const log = inc(); // logs 1
inc();             // logs 2
inc();             // logs 3
// Works!
log();             // logs "Current value is 3"