Great article. It was already posted yesterday though: https://news.ycombinator.com/item?id=30425148

Actually, now that I ran a search on HN, the original paper was already posted back in November, in it has a great discussion: https://news.ycombinator.com/item?id=29263961

> JavaScript: 4.45

> TypeScript: 21.50

Without an explanation for this discrepancy I struggle to trust those results.

I highly doubt the TS compiler can be so bad handwritten JS is 5 times as fast/efficient.