lovecoding
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VIP30


			
				
					
						
						
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<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    // 说出下面代码的输出
    async function async1() {
      console.log('async1 start');
      await async2();
      console.log('async1 end');
    }
    async function async2() {
      console.log('async2');
      /* return new Promise((resolve, reiejct) => {
        resolve()
      }) */
      /* Promise1.then((Promise2)=>{
        Promise2.then(()=>{
          console.log()
        })
      }) */
    }
    console.log('script start')
    async1();
    new Promise(function (resolve) {
      console.log('promise1');
      resolve();
    }).then(function () {
      console.log('promise2');
    });
    console.log('script end')
     //sc start => asy1 start => asy2 => p1 => sc end =>  p2 => asy1 end 

  </script>
</body>

</html>