JustHTML 3.0.0: A new HTML5 parser architecture
SMRTR summary
JustHTML 3.0.0 replaces the traditional tokenizer-plus-tree-builder pipeline with a single fused parser engine driven by a precompiled EnginePlan. Instead of allocating token objects and passing them between subsystems, the new engine scans input, resolves tag context, and mutates the DOM in one hot loop — delivering roughly a 2x speedup while preserving full HTML5 compliance and safe-by-default sanitization behavior.
SMRTR provides this summary for quick context. The original article belongs to Hacker News.
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