Writing on expressions,
APIs, and developer tools.

Updates, deep-dives, and thoughts from the expr team. New posts whenever we have something worth saying.

1 post
Mar 2026 Release
Introducing expr v1.0 — evaluate any expression in your browser

After months of iteration we're shipping v1.0 of the expression evaluator. It handles arithmetic, logical, comparison, and ternary expressions out of the box — all without a build step.

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