async function p1() {return 'p1';
}
async function p2() {return 'p2';
}
async function p3() {return 'p3';
}
async function run() {let r1 = await p1();let r2 = await p2();let r3 = await p3();console.log(r1);console.log(r2);console.log(r3);}
run();

运行结果