Refactoring optional chaining into a large codebase: lessons learned (via) JavaScript now supports foo?.bar?.baz?.() optional chaining syntax across all major browsers. Lea Verou provides the definitive guide to using it to refactor code.
Recent articles
- Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
- Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
- sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025