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Systems that group document measurements and mutations into batches to optimize browser execution.
Distinct from Workflow Batchers: Distinct from network request batching or general workflow batchers; specifically targets DOM operations.
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Fastdom is a task scheduler and rendering optimizer designed to prevent layout thrashing by batching document reads and writes. It functions as a coordination system that separates document measurements and mutations into distinct queues, ensuring that asynchronous operations are executed in a way that minimizes browser reflows. The project provides a performance profiling capability that detects improper document API access. By enforcing strict execution phases, it identifies layout thrashing bottlenecks and flags unauthorized DOM access occurring outside of the coordinated batching cycles.
Coordinates the separation of document measurements and mutations into distinct queues for optimized execution.