I suspect .textContent = '' should be faster, why are benchmarks saying it isn't? It makes no sense. So let's try adding nodes to clean up?

Comparing TS enums and string constants

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

Measure the performance of instanceOf operator vs property in operator