sass:map module - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the sass:map module used for?

The sass:map module provides functions to work with maps in Sass, like adding, removing, or getting values by keys.

beginner

How do you get a value from a Sass map?

Use map.get($map, $key) to retrieve the value for a specific key in a map.

beginner

What does map.has-key($map, $key) do?

It checks if the map contains the given key and returns true or false.

intermediate

How can you add or update a key-value pair in a Sass map?

Use map.set($map, $key, $value) to add a new pair or update an existing key's value.

beginner

What happens if you try to get a key that does not exist in a Sass map?

The map.get function returns null if the key is not found in the map.

Which function checks if a key exists in a Sass map?

A map.has-key()

B map.get()

C map.set()

D map.remove()

map.has-key() returns true if the key exists in the map, otherwise false.

How do you add a new key-value pair to a Sass map?

A map.push()

B map.add()

C map.set()

D map.insert()

map.set() adds or updates a key-value pair in a Sass map.

What does map.get($map, $key) return if the key is missing?

A 0

B An empty string

C An error

D null

If the key is not found, map.get() returns null.

Which module must you import to use Sass map functions?

A sass:list

B sass:map

C sass:string

D sass:color

The sass:map module contains all map-related functions.

How do you remove a key from a Sass map?

A map.remove()

B map.unset()

C map.delete()

D map.remove-key()

map.remove($map, $key) removes the key and its value from the map.

Explain how to check if a key exists in a Sass map and retrieve its value safely.

Think about first checking the key, then getting the value.

Describe how to add a new key-value pair to a Sass map and update an existing key's value.

Remember Sass maps are immutable, so you get a new map back.