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Web Development / JavaScript

Lesson 23 of 30

localStorage

localStorage keeps small bits of data in the browser between visits, like a chosen theme. Never store passwords or secrets in it.

Key points

  • localStorage.setItem(key, value)
  • getItem(key)
  • Only strings; use JSON for objects
localStorage.setItem("theme", "dark");
const theme = localStorage.getItem("theme");
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Quiz · +10 XP

What should you never keep in localStorage?

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