demo · v133

Rust Font Stack

An internal hardening: Chrome's font shaping moves to Rust components for memory safety. No web-facing API change, so this page exercises the path: type weird text into the box and watch shape time stay stable as you crank font-size and string length.

last bench (ms)
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chars shaped
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checking support...

the code

// No new API. Same measurement, new internals:
const t0 = performance.now();
out.textContent = expand(text, 5000); // force shape
void out.offsetHeight; // force layout
const t1 = performance.now();

see also