Promise chaining styles

gistfile1.js

//// If short
fnThatReturnsPromise('some val').catch(function () {
    // handleError
}).then(functionThatLogsSomething) // Here we're assuming that there's no way this function can error out. If it can then do the next format

//// Or

// One pair
fnThatReturnsPromise('some val').catch(function () {
    // handleError
})

// comments about second pair
.then(function () {
    // Something that might throw an error
}).catch(function (err) {
    // Error from previous then
})

// third pair - repeat format
.then(//...