Caching selectors for jQuery. Plugin

A simple jQuery plugin that allows you to cache the work of selectors.
On a tip from tenshi in cam to habrahabr.ru/blogs/javascript/63119

( function ($) {

var selectorCache = [];

$.cache = {

get : function (selector) {
return selectorCache[selector] || (selectorCache[selector] = $(selector));
},

clear: function (selector) {
selector == null ? selectorCache = [] : selectorCache[selector] = null ;
}
}

})(jQuery);

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Use something like this:

// Before
$( '#some .css .selector' ).some().action();

// After
$.cache.get( '#some .css .selector' ).some().action();

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