Storage: Clearing storage

Join the AI Workshop to learn more about AI and how it can be applied to web development. Next cohort February 1st, 2026

The AI-first Web Development BOOTCAMP cohort starts February 24th, 2026. 10 weeks of intensive training and hands-on projects.


clear() removes everything from the storage object you are manipulating:

localStorage.setItem('a', 'a')
localStorage.setItem('b', 'b')
localStorage.length //2
localStorage.clear()
localStorage.length //0

Lessons in this unit:

0: Introduction
1: Session vs local storage
2: Setting an item
3: Getting an item value
4: Removing an item
5: ▶︎ Clearing storage
6: Storage size limits