Back
Syntax
Study
Editor
Mode:
HTML
CSS
JavaScript
PHP
Reset
Run »
HTML / CSS / JS
// Store object in localStorage const settings = { theme: "dark", fontSize: 16 }; localStorage.setItem("settings", JSON.stringify(settings)); // Retrieve and parse const stored = localStorage.getItem("settings"); const settings2 = stored ? JSON.parse(stored) : { theme: "light" }; // Helper functions const storage = { set: (key, val) => localStorage.setItem(key, JSON.stringify(val)), get: (key, fallback = null) => { try { return JSON.parse(localStorage.getItem(key)) ?? fallback; } catch { return fallback; } }, };
Result
Open