Debounce with immediate execution option removed

debounce.js

function debounce (fn, wait) {
  var timeout
  return function () {
    var context = this
    var args = Array.prototype.slice.call(arguments)
    var later = function () {
      timeout = null
      fn.apply(context, args)
    }
   clearTimeout(timeout)
   timeout = setTimeout(later, wait)
  }
}