15 Common Beginner JavaScript Mistakes (and how to fix them)

I see beginner JavaScript developers make the same mistakes over and over! In this video, let’s cover 15 of the most common beginner JavaScript mistakes and how to fix them. Full Source Code 👉 00:00 - Intro 01:00 - Sponsor Intro Replit 01:40 - Resources 02:00 - Not Returning From a Function 03:30 - Import JavaScript Incorrectly in HTML 05:10 - Reassigning Const Variables 07:00 - Misunderstanding Variable Scope (const and let vs var) 08:55 - Not Naming Variables Appropriately 10:56 - Having Too Large Of Functions 11:57 - Unnecessary Else Statements 14:50 - Not Short-circuiting Loops 16:25 - Double Equals vs Triple Equals 18:40 - Incorrect Comparisons with Objects vs Primitives 20:45 - Cannot Read Property of Undefined 22:30 - Mutations with Arrays 24:50 - Not Understanding Asynchronous Code 26:00 - Handling Errors 28:35 - Not Formatting Code 29:30 - Wrap Up STAY IN TOUCH 👋 Check out the Podcast - Newsletter 🗞 - Live streams on Twitch 🖥️ - Follow me on Twitter 🐦 - QUESTIONS...? Join the Discord Server 💬 - Want to know what hardware and software I use? Learn Web Development 📖 -