Fair, but how does one claim the same object on two pages in a race-free manner? You could allow them to be smuggled through postMessage, but then two pages wo

Fair, but how does one claim the same object on two pages in a race-free manner? You could allow them to be smuggled through postMessage, but then two pages would have to coordinate creation/reception of the lock. I'd love to hear better solutions as I might be too tired pre-coffee to brainstorm something more elegant. I find it interesting that Windows effectively uses global string-named mutexes and overall still has a few very rare conflicts that usually make the news [1]. [1] https://geek-week.imtqy.com/articles/en488834/index.html https://geek-week.imtqy.com/articles/en488834/index.html