单项选择题
A.123
B.undefined
C.空
D.报错
单项选择题 async function testAsync1() { console.log(“hello async”);}let result1 = testAsync1();console.log(result1); ()
单项选择题 async function testAsync() { return "hello async";}let result = testAsync();console.log(result)输出结果是()
单项选择题 async function print(){ return 1;}print().then(e => console.log(e)); 输出()