A custom runtime is necessary due to the async transparancy feature of the language: https://hyperscript.org/docs/#async https://hyperscript.org/docs/#async I

A custom runtime is necessary due to the async transparancy feature of the language: https://hyperscript.org/docs/#async https://hyperscript.org/docs/#async It is dependency free and a bit under 30kb gz'd, which is roughly where jQuery is, and hyperscript is intended as a jQuery replacement. That's 35ms on emerging 4g, and in the browser cache after that. Probably not noticable for most situations.