/**
 * 将通用函数封装在CC对象中.
 */
var CC =  {

  //用于产生唯一ID.
  uniqueId: 0,

  /**
   * <script></script>标签匹配.
   */
  ScriptExpAll: new RegExp('<script[^>]*>([\\S\\s]*?)<\/script>', 'img'),
  ScriptExpOne: new RegExp('<script[^>]*>([\\S\\s]*?)<\/script>', 'im'),

  /**
   * <style></style>标签匹配.
   */
  StyleExpAll: new RegExp('<style[^>]*>([\\S\\s]*?)<\/style>', 'img'),
  StyleExpOne: new RegExp('<style[^>]*>([\\S\\s]*?)<\/style>', 'im'),

  /**
   * object : 一个可枚举对象.
   * callback:枚举回调,如果有参数,效果如element.callback(args...).
   * 无参数无length属性element.callback(name,value)否则element.callback(i,element);
   * callback返回false中断枚举.
   */
  each: function(object, callback, args) {

    if (!object) {
      return object;
    }

    if (args) {
      if (object.length == undefined) {
        for (var name in object)
          if (callback.apply(object[name], args) === false)
            break;
      } else
        for (var i = 0, length = object.length; i < length; i++)
          if (callback.apply(object[i], args) === false)
            break;
    } else {
      if (object.length == undefined) {
        for (var name in object)
          if (callback.call(object[name], name, object[name]) === false)
            break;
      } else
      for (var i = 0, length = object.length, value = object[0]; i < length && callback.call(value, i, value) !== false; value = object[++i]){}
    }

    return object;
  }

}

ScriptExpAll,  ScriptExpOne ,eack 这是什么意思啊