If you open specification linked to that page ( https://wicg.github.io/sanitizer-api/#sanitizer-api https://wicg.github.io/sanitizer-api/#sanitizer-api ), you'l

If you open specification linked to that page ( https://wicg.github.io/sanitizer-api/#sanitizer-api https://wicg.github.io/sanitizer-api/#sanitizer-api ), you'll see that Sanitizer constructor accepts config param, that does exactly that and will probably extended before spec is ready.