Tick tick tick...

timebomb.js

// Grab a timebomb copy of a function that will expire in a certain time
// period - raising errors when called outside of that window
var timebomb = function (toCall, expireIn) {

  // Expire the function call in expireIn ms
  setTimeout(function () {
    toCall = undefined;
  }, expireIn);

  // Return a wrapper function that will clear the timeout, and
  // return the function execution if proper to do so
  return function () {
    if (toCall === undefined) {
      throw new Error('Function call expired!');
    }
    return toCall.bind(this)();
  };

};


// Create an array and a timebomb for the reverse method
var arr = [1, 2, 3, 4, 5];
var reverseMethod = timebomb(arr.reverse, 200).bind(arr);

// Keep using it until we can't
setInterval(function () {
  console.log(reverseMethod());
}, 50);


/*
 *
 * [ 5, 4, 3, 2, 1 ]
 * [ 1, 2, 3, 4, 5 ]
 * [ 5, 4, 3, 2, 1 ]
 * Error: Function call expired!
 *
 */