random random($limit)

min($numbers...) Finds the minimum of several numbers. This function takes any number of arguments.

quote($string) Add quotes to a string if the string isn’t quoted, or returns the same string if it is.

@if The @if directive takes a SassScript expression and uses the styles nested beneath it if the expression returns

global_variable_exists($name) Check whether a variable with the given name exists in the global scope (at the top level of

append($list, $val, $separator:auto) Appends a single value onto the end of a list. Unless

variable_exists($name) Check whether a variable with the given name exists in the current scope or in the global scope.

to_upper_case($string) Converts a string to upper case.

red($color) Gets the red component of a color. Calculated from HSL where necessary via

nth($list, $n) Gets the nth item in a list. Note that unlike some languages, the first item