SMRTR ProgrammingSep 8, 2026Lobsters

The Depths of JavaScript: Minesweeper in 247 Bytes

SMRTR summary

A deep dive into squeezing a fully functional Minesweeper game into just 247 bytes of JavaScript. The post walks through every trick used — from storing game state on function objects, abusing XOR for click handling, using HTML auto-closing tags, and thinking in 1D arrays — to eliminate every possible byte. A fascinating read for developers who enjoy low-level JavaScript wizardry.

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