Smarter debouncing

debounce-es2015.js

export function debounce(fn, wait = 200) {
  let timeout;
  return function (...args) {
    clearTimeout(timeout);
    timeout = setTimeout(() => fn.call(this, ...args), wait);
  }
}

debounce-vanilla.js

function debounce(fn, wait) {
  var timeout;
  return function () {
    clearTimeout(timeout);
    timeout = setTimeout(function () {
      fn.apply(this, arguments)
    }, (wait || 200));
  }
}

example.js

function doSomething() {}

// vanilla
window.addEventListener('resize', debounce(doSomething, 500));

// es6
window.addEventListener('resize', debounce(doSomething, 500));