furf

var ensureArray = function(obj) {
  return (obj instanceof Array) ? obj : (typeof obj !== 'undefined') ? [obj] : [];
};

furf

// jQuery plugin Textmate snippet
(function (\$) {

  /**
   * ${10:plugin}
   */      
  \$.fn.${10:plugin} = function(cfg) {


    if (this.length === 0) {

furf

function stress (fn /*, n */) {
  var n = arguments[1] || 1000,
      i, t,
      s = new Date();
  for (i = 0; i < n; i++) {
    fn();
  };
  t = ((new Date()) - s);
  return {
    handler: fn,

furf

// Empty strings are truthy-falsy...

var EMPTY = "";
    EMPTY == true;          // false
    EMPTY == false;         // true

// ...but non-empty strings are NOT.        
                                            
var NON_EMPTY = "hello, world";
    NON_EMPTY == true;      // false

furf

jQuery.useJsonpCallback = (jQuery.support.jsonpCallback = parseFloat(jQuery.fn.jquery) >= 1.4) ? jQuery.noop : function () {
  var cfg = this, jsonp = cfg.dataType === 'script' && cfg.jsonpCallback;
  if (jsonp && !window[jsonp]) {
    window[jsonp] = function (data) {
      cfg.success.call(cfg, data, 'success');
      try {
        delete window[jsonp];
      } catch (ie6) {
        // cannot delete window properties in IE6
        window[jsonp] = undefined; 

furf

// punch
jQuery.punch = function (obj, method, fn) {

  var hasOwnMethod = obj.hasOwnProperty(method),
      original = obj[method];

  obj[method] = function () {
    Array.prototype.unshift.call(arguments, $.proxy(original, this));
    return fn.apply(this, arguments);
  };

furf

// everyone's new favorite closure pattern:
(function(window,document,undefined){ ... })(this,this.document);

// minified:
(function(b,a,c){ ... })(this,this.document);

// which means all uses of window/document/undefined inside the closure 
// will be single-lettered, so big gains in minification.

// it also will speed up scope chain traversal a tiny tiny little bit.

furf

$.fn.expando = (function (re) {
  return function () {
    var prop, elem = this.get(0);
    for (prop in elem) {
      if (re.test(prop)) {
        return elem[prop];
      }
    }
  };
})(/^jQuery\d{13}$/);

furf

(function($) {
  
  /**
   * Add live and die to the jQuery root
   */
  $.extend({
    
    live: function( selector, type, data, fn, thisObject ) {

      if ( jQuery.isFunction( data ) ) {

furf

$.fn.hoverClass = function(className) {
  return this.each(function() {
    var $this = $(this);
    $this.hover(function() {
      $this.addClass(className);
    }, function() {
      $this.removeClass(className);
    });
  });
};