| 1. | Element contains the following required attributes 元素包含下列必需的属性。 |
| 2. | For the required attributes , you can use either the users 对于必选的属性,您可以使用 |
| 3. | Tag has two required attributes and one optional one 标签有两个必需的属性和一个可选属性。 |
| 4. | Validation checks that any required attributes are included 验证检查是否包括所有必选属性。 |
| 5. | Attribute is the only required attribute 属性是唯一必需的属性。 |
| 6. | Required attribute . specifies the value for the 必选的属性。 |
| 7. | S only required attribute 的唯一一个必选属性。 |
| 8. | This required attribute names the event that triggers the listener 所示,这个必需的属性用于命名触发监听者的事件 |
| 9. | This is a required attribute 这是必选的属性。 |
| 10. | For the connection , you must specify the following required attributes in addition to the 属性外还必须指定下列必需的属性: |