Swizec Tellersoftware engineering lessons from production

Blog Books About Get the newsletter 💌

For loop

1 articles · all categories

February 2012

The commonest javascript bug

February 24, 2012

Jump in time

Read

Latest articles Categories Curated collections Interviews Talks RSS feed

Books & courses

Scaling Fast Senior Engineer Mindset Serverless Handbook All books Courses Workshops

Collections

Senior Mindset React JavaScript Serverless & Backend Indie Hacking Fullstack Web

About

About Swizec Testimonials Newsletter Twitter Bluesky GitHub YouTube Privacy policy

Made with ❤️ by Swizec Teller · © 2026 Swizec LLC · hi@swizec.com