result and error in promises

 function saveToDB(data) {

  return new Promise((resolve, reject) => {

    let internetSpeed = Math.floor(Math.random() * 10) + 1;

    if (internetSpeed > 4) {

      resolve("Success: data saved");

    } else {

      reject("failure: weak connection");

    }

  });

}

saveToDB("Abhiii")

  .then((result) => {

    console.log("data 1 saved");

    console.log("Result:", result);

    return saveToDB("Hello");

  })

  .then((result) => {

    console.log("Data 2 saved");

    console.log("Result:", result);

  })

  .catch((error) => {

    console.log("promise failed");

    console.log("Error:", error);

  });