#LocalStorage

Hi everyone! I just finished a React and course and decided to build my first react app. Currently, I am trying to save a string to browser local storage but it does not persist on refresh.…

An Android WebView with DOM storage disabled gives you null, not an empty store, so a theme read threw inside a React effect and the first page after signup became an error boundary.

// theme before first paint: saved choice, else dark (function () { var t = localStorage.getItem('mm-theme') || 'dark'; if (t !== 'system') document.documentElement.dataset.theme = t; })();

When I first learned about JSON Web Tokens (JWTs), I thought I had authentication figured out. The...

From Dev.to - webdev: Instagram Wipes localStorage on Navigation. Here's How We Keep Multiplayer Sessions Alive.

Three browser storage mechanisms, each with different lifetimes, scopes, and appropriate uses. Here's...

I had spreadsheets for everything. Money I lent to friends. Domain renewals. Bookmarks I'd never...

localStorage is the simplest persistence layer the browser offers, and most developers either underuse it or abuse it. A practical look at when localStorage is the right tool, the gotchas that catch teams in production, and when to upgrade to IndexedDB.

Authentication sounds simple… until you actually have to implement it. At first, it feels easy: user...