Donald Trump's U-turn on the social media video app, which is owned by a company based in China, is yet another example of his chameleonlike ability to switch sides when it suits him.

Republican loyalty test brews as president-elect’s support this year for popular social-media app runs headlong into tough-on-Beijing vows.

Trump, who boasts 14 million followers on TikTok, voiced opposition to the ban earlier this year. The policy, which orders TikTok to find a U.S. parent company or face a ban, is set to take effect on Jan. 19, a day before Trump’s inauguration.