📅 最后修改于: 2020-12-25 03:48:19 🧑 作者: Mango
SASS使用称为SassScript的一小组扩展，可以将其包含在SASS文档中，以根据属性值计算变量，并使用变量，算术和其他函数的属性。在使用mixins时，SassScript也可以与选择器和属性名称一起使用(Mixins允许在整个样式表中重复使用CSS样式)。
Sass中使用的一些CSS扩展列表：
| Index | CSS Extension | Description |
|---|---|---|
| 1. | Interactive Shell | It is used to evaluate SassScript expression using command line. |
| 2. | Variables | It is used to specify the data such as numeric values, characters or memory addresses. |
| 3. | Datatypes | It is used to declare data type for every data object. |
| 4. | Operations | It is used to provides operations i.e. number, color, string, Boolean and list operations. |
| 5. | Parentheses | It is pair of signs which are usually marked off by round brackets ( ) or square brackets []. |
| 6. | Functions | It is used to support for the use of functions by providing some keyword arguments. |
| 7. | Interpolation | it is used to provide SassScript variables and property names using #{ } syntax. |
| 8. | & in SassScript | It allows nesting of properties into another properties which leads to group of another related code. |
| 9. | Variable Defaults | It is used to facilitate nesting of properties into another properties which leads to group of another related code. |