/*
 * concise, but cryptic for the first two minutes you see this
 */
(function ($) {

 $(selector).each(function () {
     // code
 });

 $(selector).each(function () {
     // code
 });

 $(selector).each(function () {
     // code
 });

})(jQuery);


/*
 * clunky pollution of global namespace
 */
var fakeMeaninglessNamespacingFunction = function() {
 var $ = jQuery;

 $(selector).each(function () {
     // code
 });

 $(selector).each(function () {
     // code
 });

 $(selector).each(function () {
     // code
 });

}

fakeMeaninglessNamespacingFunction();