ES6-ES11 ES11Promise.allSettled

原视频

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise.allSettled</title>
</head>
<body>
    <script>
        //声明两个promise对象
        const p1 = new Promise((resolve, reject)=>{
            setTimeout(()=>{
                resolve('商品数据 - 1');
            },1000)
        });

        const p2 = new Promise((resolve, reject)=>{
            setTimeout(()=>{
                resolve('商品数据 - 2');
                // reject('出错啦!');
            },1000)
        });

        //调用 allsettled 方法，无论怎么样都返回成功。
        // const result = Promise.allSettled([p1, p2]);
        
        //都成功才返回成功的，失败就返回失败的值
        // const res = Promise.all([p1, p2]);

        console.log(res);

    </script>
</body>
</html>

posted on 2023-03-10 21:22 垂序葎草阅读(8) 评论(0) 编辑收藏举报