promise_error.js

Promise.resolve(1)
    .then(res => {
        console.log(res) // 1

        throw new Error('something went wrong')

        return Promise.resolve(2)
    })
    .then(res => {
        console.log(res) // will not get executed
    })
    .catch(err => {
        console.error(err) // we will see what to do with it later
        return Promise.resolve(3)
    })
    .then(res => {
        console.log(res) // 3
    })
    .catch(err => {
        // in case in the previous block occurs another error
        console.error(err)
    })