Sass Script

SASS uses a small set of extensions known as SassScript which can be included in the SASS documents to compute variables from property values and uses properties of variables, arithmetic, and other functions. SassScript can also be used with selectors and property names while using mixins (Mixins allows to re-use CSS styles throughout the stylesheet).

The following table lists some of the CSS extensions used in SASS:

CSS Extension	Description
Interactive Shell	It evaluates SassScript expression using command line.
Variables	It represents the data such as numeric values, characters or memory addresses.
DataTypes	It declares data type for every data object.
Operations	It provides operations such as number, color, string, boolean and list operations.
Parentheses	It is pair of signs which are usually marked off by round brackets ( ) or square brackets [ ].
Functions	It supports for the use of functions by providing some keyword arguments.
Interpolation	It provides SassScript variables and property names using #{ } syntax.
& in SassScript	It allows nesting of properties into another properties which leads to group of another related code.
Variable Defaults	It allows nesting of properties into another properties which leads to group of another related code.