chrome 消息队列的执行顺序2 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>

<script>
    console.log(-1);

    let a = new Promise((resolve, reject) => {
        console.log(1);

        resolve(test())

        console.log(2);
    })

    a.then(() => {
        console.log(4);
    })

    function test() {
        console.log(3);
    }

    console.log(0);


    // -1 1 3 2 0 4

</script>

</html>
posted @ 2023-03-08 00:30  进阶的哈姆雷特  阅读(19)  评论(0)  编辑  收藏  举报