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

Fix Raphael display:none tspan dy attribute bug

设置：主键

设置：预习课程

* 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

* execute callback functions

设置：字段

* Check for number * @param {Object} n