scope chain storage

cont-storage.js

function get(name) {
  var c = arguments.callee.caller
  while(c) {
    if (c[name]) return c[name]
    c = c.arguments.callee.caller
  }
}

function set(name, value) {
  var p = arguments.callee.caller
  p.arguments.callee[name] = value
}

function three() {
  console.log(get('x'))
}

function two() {
  three()
}

function one() {
  set('x', 100)
  two()
}

one()

scs.js

exports.get = function get(name) {
  var c = arguments.callee.caller
  while(c) {
    if (c[name]) return c[name]
    c = c.arguments.callee.caller
  }
}

exports.set = function set(name, value) {
  var p = arguments.callee.caller
  p.arguments.callee[name] = value
}