promise.js

function startCallbackHell() {
  callback1(params)
    .then(callback2)) // Callback2
    .then(callback3) // Callback3
    .then(callback4) // Callback4
    .then(callback5) // Callback5
    .catch((error) => { */Do something with the error*/ }) // Catch error
}

const callback1 = (params) => {
  returns new Promise((resolve, reject) => {
    // Actually do something
    resolve();
  });
}

const callback2 = (params) => {
  returns new Promise((resolve, reject) => {
    // Actually do something
    resolve();
  });
}

const callback3 = (params) => {
  returns new Promise((resolve, reject) => {
    // Actually do something
    resolve();
  });
}

const callback4 = (params) => {
  returns new Promise((resolve, reject) => {
    // Actually do something
    resolve();
  });
}

const callback5 = (params) => {
  returns new Promise((resolve, reject) => {
    // Actually do something
    resolve();
  });
}