* Sets document-related variables once based on the current document * @param {Element|Object} [node] An element or document object to use to set th

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

* 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

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

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

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

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

* Creates a dummy DOM file input with FileList * @param filename * @param mimeType * @returns {{}}

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

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

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

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

* Determines whether an object can have data