But even amongst those that celebrated the end result of the case, many feared the long run influence of Mr. Trump’s rhetoric on public belief in democracy and the mechanics of elections.

“Happy with the SCOTUS ruling, but additionally instantly barely scared of the place this loopy prepare goes subsequent,” Brendan Buck, an adviser to the final two Republican audio system, Paul Ryan and John Boehner, wrote on Twitter. He later added, “We must always know by now there’s a bottomless provide of loopy.”

Not lengthy after, Allen West, a former congressman and the chairman of the Texas Republican Get together, slashed on the Supreme Court docket and stated in a press release that hinted at secession that “maybe law-abiding states ought to bond collectively and type a union of states that may abide by the Structure.”

Consultant Adam Kinzinger, Republican of Illinois, known as on the Texas G.O.P. to retract the assertion and fireplace Mr. West. “My man Abraham Lincoln and the Union troopers already informed you no,” Mr. Kinzinger wrote on Twitter.

In current weeks, Mr. Trump has educated his anger at Fox Information, the customarily sympathetic cable community, for accepting the election outcomes, and directed his supporters to Newsmax, which has seen a surge in pro-Trump viewers since Election Day. On Friday, the Newsmax anchor Greg Kelly opened his 7 p.m. program by reassuring his viewers, “It’s not over.”

When a visitor, the lawyer Alan Dershowitz, depicted Friday’s courtroom order as a game-over second for the president — saying there was now a “near zero” probability that the Supreme Court docket may reverse the election outcomes — Mr. Kelly objected.

“I’ve seen stranger issues occur in a courtroom,” Mr. Kelly stated, earlier than invoking one in every of Mr. Dershowitz’s most well-known authorized instances: “I’ve seen O.J. Simpson stroll!”