https://developer.mozilla.org/en-US/docs/Web/API/LockManager/request#examples https://developer.mozilla.org/en-US/docs/Web/API/LockManager... Please don't impl

https://developer.mozilla.org/en-US/docs/Web/API/LockManager/request#examples https://developer.mozilla.org/en-US/docs/Web/API/LockManager... Please don't implement this yourself