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

* Fix JS round off float errors * @param {Number} num

* Discard an element by moving it to the bin and delete * @param {Object} The HTML node to discard

* Remove last occurence of an item from an array * @param {Array} arr * @param {Mixed} item

获取数据库连接 @return

* Check for string * @param {Object} s

* Check if an element is an array, and if not, make it into an array. Like * MooTools' $.splat.

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

* Provide error messages for debugging, with links to online explanation

* 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

* Splits block of text into lines. * @param {String} block Block of text. * @return {Array} Returns array of lines.

* Non-recursive method to find the lowest member of an array. Math.min raises a maximum * call stack size exceeded error in Chrome when trying to app

* Check for number * @param {Object} n

* Format a number and return a string based on input settings * @param {Number} number The input number to format * @param {Number} decimals The amo

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

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

* Pad a string to a given length by adding 0 to the beginning * @param {Number} number * @param {Number} length

* 移动状态切换