cawel

var person = {
  _name: 'John Doe',
  getSecretIdentity: function (){
    return this._name;
  }
};

var stoleSecretIdentity = person.getSecretIdentity;

console.log(stoleSecretIdentity());

cawel

var myObject = {
  foo: "bar",
  func: function() {
    var self = this;
      console.log("outer func:  this.foo = " + this.foo);
      console.log("outer func:  self.foo = " + self.foo);
      (function() {
          console.log("inner func:  this.foo = " + this.foo);
          console.log("inner func:  self.foo = " + self.foo);
      }());

cawel

var age = 20

(function () {
  console.log("Original age is " + age)
  var age = 30
  console.log("The new age is " + age)
})()

cawel

var foo = function(){ 
  // Some code
}; 

function bar(){ 
  // Some code
}; 

cawel

var a = [0,1,2,3,4,5,6,7,8,9]

a.slice()
a.splice()
a.concat([24])
a.reverse()

cawel

const operations = []

for (var i = 0; i < 5; i++) {
  operations.push(() => {
    console.log(i)
  })
}

for (const operation of operations) {
  operation()

cawel

const multiply = x => y => z => x * y * z

console.log( multiply(2)(3)(4) )

cawel

#!/usr/bin/env ruby

require 'socket'

client = TCPSocket.open("127.0.0.1", 2222) {|s| s.send("hello", 0) }

cawel

#!/usr/bin/env ruby 
 
require 'open-uri'

open('http://www.imdb.com/title/tt0421054/') do |f|
  f.read.match(/User Rating:<\/b>\s*([\d\.]+\/[\d\.]+)<\/b>/)
  puts $1
end

cawel

class Array
  def my_map
    result = []
    each do |e|
      result << (yield e)
    end
    result
  end
end