gonzaloruizdevilla

#!/usr/bin/env node

var stdin = process.openStdin();
var stdout = process.stdout;
var input = '';

stdin.setEncoding('utf8');
stdin.on('data', function(data) {
  if (data) {
    input += data;

gonzaloruizdevilla

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE

gonzaloruizdevilla

2.toString(); // raises SyntaxError​​

gonzaloruizdevilla

2..toString(); // el segundo punto se reconoce correctamente
2 .toString(); // fíjate en el espacio a la izquierda del punto
(2).toString(); // los paréntesis fuerzan a que el número 2 se evalúe primero

gonzaloruizdevilla

(function loopAnimacion(){
  window.requestAnimationFrame(loopAnimacion);
  hazLosCalculos();
})();

gonzaloruizdevilla

// shim con fallback a setTimeout 
window.requestAnimFrame = (function(){
  return  window.requestAnimationFrame       || 
          window.webkitRequestAnimationFrame || 
          window.mozRequestAnimationFrame    || 
          window.oRequestAnimationFrame      || 
          window.msRequestAnimationFrame     || 
          function( callback ){
            window.setTimeout(callback, 1000 / 60);
          };

gonzaloruizdevilla

// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

// requestAnimationFrame polyfill by Erik Möller
// fixes from Paul Irish and Tino Zijdel

(function() {
    var lastTime = 0;
    var vendors = ['ms', 'moz', 'webkit', 'o'];
    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {

gonzaloruizdevilla

window.requestAnimFrame = (function(a,b){while(a--&&!(b=this["oR0msR0mozR0webkitR0r".split(0)[a]+"equestAnimationFrame"]));return b||function(a){setTimeout(a,15)}}(5));
 
// uso:
 
(function loopAnimacion(){
  requestAnimFrame(loopAnimacion);
  hazLosCalculos();
})();

gonzaloruizdevilla

// Ver comentarios más abajo.

// Este ejemplo está basado en el original de 
// Isaac Z. Schlueter, aka isaacs

// estilo estándar
var a = "ape",
  b = "bat",
  c = "cat",
  d = "dog",

gonzaloruizdevilla

//El REPL de node.js no interpreta correctamente esto:

var a = 1
  , b = 2
  , c = 3;


//En cambio esto funciona bien:

var a = 1,