NV

Function.prototype.callMany = function (context) {
  var result = [];
  for (var i=1; i<arguments.length; i++) {
    result.push( this.call(context, arguments[i]) );
  }
  return result;
}

function hi (name) {
  return 'Hi '+ name + '!';

NV

function fib(n) {
  if (n==0) {
    return 0
  } else if (n==1) {
    return 1
  } else {
    return fib[n] = fib[n] || fib(n-2) + fib(n-1)
  }
}

NV

/**
 * Example: 
 * 'hello {{username}}'.between('{{','}}') === 'username'
 */

String.prototype.between_regexp = function between(begin, end) {
  var regexp = new RegExp(begin + '(.+)' + end);
  return this.match(regexp)[1];
}

NV

function count(x, i) {
  var i = i || 1;
  console.log(i);
  if (i < x) count(x, i+1);
}

count(5) // 1, 2, 3, 4, 5


function count_with_depth_limit (x, start) {

NV

num = 1;

(function () {
  alert(num || 2); // 1, Obviosly
})();

(function () {
  var num = num || 2;
  alert(num); // 2!
})();

NV

function Markdown(value) {
  this.value = value || '';
  this.length = this.value.length;
};
Markdown.prototype = new String;

// Instance methods
Markdown.prototype.toString = Markdown.prototype.valueOf = function(){return this.value};
Markdown.prototype.toHTML = function(){return Markdown.decode(this)};

NV

This script is also available at .

NV

var A_reduce = [].reduce;
Array.prototype.reduce = function reduce (callback, initialValue) {
  var operator = callback;
  return typeof operator == 'string' && /^[ +*/%-><!&|^?,.]/.test(operator)
    ? eval(this.join(operator))
    : A_reduce.apply(this, arguments)
};

[1,2,3,4].reduce('+') // 10
[1,2,3,4].reduce('*') // 24

NV

/
        ([a-zA-Z][-+.a-zA-Z\d]*):                     (?# 1: scheme)
        (?:
           ((?:[-_.!~*'()a-zA-Z\d;?:@&=+$,]|%[a-fA-F\d]{2})(?:[-_.!~*'()a-zA-Z\d;\/?:@&=+$,\[\]]|%[a-fA-F\d]{2})*)              (?# 2: opaque)
        |
           (?:(?:
             \/\/(?:
                 (?:(?:((?:[-_.!~*'()a-zA-Z\d;:&=+$,]|%[a-fA-F\d]{2})*)@)?  (?# 3: userinfo)
                   (?:((?:(?:(?:[a-zA-Z\d](?:[-a-zA-Z\d]*[a-zA-Z\d])?)\.)*(?:[a-zA-Z](?:[-a-zA-Z\d]*[a-zA-Z\d])?)\.?|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|\[(?:(?:[a-fA-F\d]{1,4}:)*(?:[a-fA-F\d]{1,4}|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})|(?:(?:[a-fA-F\d]{1,4}:)*[a-fA-F\d]{1,4})?::(?:(?:[a-fA-F\d]{1,4}:)*(?:[a-fA-F\d]{1,4}|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}))?)\]))(?::(\d*))?))?(?# 4: host, 5: port)
               |

NV

>>> typeof document.all
"undefined"
>>> document.all
[object HTMLCollection]
>>> typeof document.all[0] 
"object"