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React 19+ · Function

preinitModule

preinitModule tells the browser to fetch and evaluate an ESM module early. Use it when the module will soon be needed and immediate evaluation is acceptable.

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Syntax

preinitModule(href, options)

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  • preinit
  • preloadModule
  • preload
  • react-dom

Source: preinitModule – React API Reference. Checked 2026-11-03.