The Supreme Court on Friday was divided over the constitutionality of a federal law that would require social-media giant TikTok to shut down in the United States unless its Chinese parent company can sell it by Jan.

The law could go into effect on Sunday, so here's what could happen. The US Supreme Court heard arguments Friday about whether or not to uphold a law that effectively bans the social media app TikTok.

Justice Samuel Alito asked TikTok creators’ attorney about whether his clients would actually be harmed if TikTok went away or if they could just go to a different platform, que