debounce.js

function Debounce(fn, wait = 300) {
  this.timeout = null;
  return (...args) => {
    clearTimeout(this.timeout);
    this.timeout = setTimeout(() => fn(...args), wait);
  }
}

// Usage
const debounce = new Debounce(message => {console.log(message)}, 100);

debouncer("first");
debouncer("2de");

// expect: "2de"