jsdom 30 node version

jsdom vs happy-dom: Should You Switch? 1.9x Faster, 2 Gaps

jsdom vs happy-dom decision with ShopperCove timing in Vitest 5.0.3: 20-file / 60-test suite median 1.65 s on happy-dom 20.14.5 vs 3.11 s on jsdom 30.1.2; heavy DOM 1.33 s vs 1.81 s (jsdom 29.1.1 2.55 s). Compat 8/8 jsdom 30, 6/8 happy-dom, 5/8 jsdom 29.