ehynds

// simple equal column heights
// sets the height of each matched div to that of the tallest element in the collection
// Usage: $("#div1, #div2, #div3").equalHeights();

$.fn.equalHeights = function(){
    var heights = [], i = this.length;
    while(i--){ heights[i] = this.eq(i).height(); }
    return this.height(Math.max.apply(Math, heights));
}

ehynds

// determine if an element is COMPLETELY inside the current viewport.
// surely, there must be an easier way

$.expr[':']['in-viewport'] = function(element){
	var $win = $(window), $el = $(element),

		// element calculations
		offset = $el.offset(),
		outerWidth = $el.outerWidth(),
		outerHeight = $el.outerHeight(),

ehynds

// extremely basic templating with replace().

var 

// template
template = '<div id="#{id}">#{text}</div>',
	
// object literal of replacement values
params = { id:10, text:'hi there' },

ehynds

// Skeleton jQuery Plugin (OO)
(function($){
	
	$.fn.myPlugin = function( options ){
		options = $.extend( {}, $.fn.myPlugin.defaults, options );
		
		return this.each(function(){
			
			// create a new object & store it in the element's data for easy access
			$(this).data('myPlugin', new MyPlugin(this, options));

ehynds

// accessing all OTHER instances of a widget, from within your widget.

// method one: use your own data store

var instances = [];
$.widget("ui.dialog", {

	_create: function(){
		instances.push(this.element);
	},

ehynds

(function($){

	$.widget("ui.mywidget", {
		options: {
			autoOpen: true
		},
		
		_create: function(){
		
			// by default, consider this thing closed.

ehynds

// recursive setTimeout, better than setInterval.  @paul_irish
(function f(){ if(condition){} else{ setTimeout(f, 1000); } })().

ehynds

// A
$this.find("li")
   .wrapInner('<a href="#" style="display:block" />')
   .delegate("a", "click", function(){
      $this.dialog("close");
      return false;
});


// B

ehynds

// old and busted

var foo = $(".bar");

if( foo.length ){
   foo.addClass("LOL");
}


// new hotness

ehynds

// jquery related selects plugin by eric hynds, erichynds.com
// re-write of http://github.com/ehynds/jquery-related-selects

(function($){
    
$.fn.relatedSelects = function( options ){
    
    function RelatedSelect( form, options ){
        var selects = this.selects = [], form = $(form);