Assert if json response is error.

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

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

* For feature detection * @param {Function} fn The function to test for native support

标签中提取数字 @param str @return