问答题【903/1597】【Promise第三题】下面代码的输出是什么？
1const promise = new Promise((resolve, reject) => { 2 console.log(1); 3 console.log(2); 4}); 5promise.then(() => { 6 console.log(3); 7}); 8console.log(4); 9
难度：
2021-12-26 创建1const promise = new Promise((resolve, reject) => { 2 console.log(1); 3 console.log(2); 4}); 5promise.then(() => { 6 console.log(3); 7}); 8console.log(4); 9
