* Support testing using an element * @param {Function} fn Passed the created element and returns a boolean result

* Mark a function for special use by Sizzle * @param {Function} fn The function to mark

* Returns a function to use in pseudos for positionals * @param {Function} fn

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with

* Adds the same handler for all of the specified attrs * @param {String} attrs Pipe-separated list of attributes * @param {Function} han

* Checks a node for validity as a Sizzle context * @param {Element|Object=} context * @returns {Element|Object|Boolean} The input node i

* Returns a function to use in pseudos for :enabled/:disabled * @param {Boolean} disabled true for :disabled; false for :enabled

* getStyle, get style of element, check for Firefox bug * https://bugzilla.mozilla.org/show_bug.cgi?id=548397

* Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a pr