How to use blur to check username and email availability in Svelte

Designing a good user experience (UX) doesn’t have to be hard. For example, in this example we’ll check whether a username and email are available or not when the user tabs out of the field (on blur). Using Svelte, this is super easy to do... so let’s do it! 🤯 Support on Patreon * ⏱️ Timestamps: * 00:00 - Introduction * 00:40 - Readme * 00:58 - Demo * 01:30 - sign in changes * 02:13 - sign up changes (blur checks here) 💌 Newsletter: * 🪐Elsewhere: * Twitter: * Twitter: * GitHub: 💭Concepts: * Deploying a Svelte/Sapper application to Vercel by pushing to Github 📚Resources: * * 🎬 Subscribe! * My name is David W Parker and I’m creating and publishing videos on ProgrammingTIL to help teach anyone and everyone who wants to cod