Promise.allSettled和Promise.all区别

1 通过Promise.allSettled()可以接收一个数组,并且在数组里面的所有实例,全部执行完,再通过then方法或者catch方法,对数组里面的实例进行遍历与操作。

 PromiseAllSettled() {
      let p1 = new Promise((resolve, reject) => {
        //这里是通过setTimeout仿作了一个异步背景
        setTimeout(() => {
          let time1 = Math.random() * 10 > 5;
          console.log(time1);
          if (time1) {
            resolve("resolvep1");
          } else {
            reject("rejectp1");
          }
        }, 500);
      });
      let p2 = new Promise((resolve, reject) => {
        setTimeout(() => {
          let time2 = Math.random() * 10 > 5;
          console.log(time2);
          if (time2) {
            resolve("resolvep2");
          } else {
            reject("rejectp2");
          }
        }, 1000);
      });
      let p = Promise.allSettled([p1, p2]).then((res) => {
        console.log(res, "res");
       

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转载自blog.csdn.net/jieweiwujie/article/details/128446834
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