lukehoban

Note: Up to date version now at https://github.com/lukehoban/es6features

ECMAScript 6

Introduction

ECMAScript 6 is the upcoming version of the ECMAScript standard. This standard is targetting ratifcation in December 2014. ES6 is a significant update to the language, and the first update to the language since ES5 was standardized in 2009. Implementation of these features in major JavaScript engines is underway now.

See the draft ES6 standard for full specification of the ECMAScript 6 language.

ES6 includes the following new features:

haileys

class Module
  def dispatch(*klasses, last)
    last_klass, mid = last.first
    klasses << last_klass
    __dispatch_list << [klasses, instance_method(mid)]
    define_method(mid, __dispatch_proc(__dispatch_list)) 
  end

  def __dispatch_list
    @__dispatch_list ||= []

haileys

class Foo
  public def my_public_method
    1 + 2
  end

  protected def my_protected_method
    3 + 4
  end

  private def my_private_method

panicsteve

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indexzero

// This example adapted from Matt Gallagher's "Minimalist Cocoa Programming"
// blog article:
//    http://cocoawithlove.com/2010/09/minimalist-cocoa-programming.html
var $ = require('NodObjC')

$.import('Cocoa')

var pool = $.NSAutoreleasePool('alloc')('init')
  , app  = $.NSApplication('sharedApplication')