Promises Courses

Unhandled Rejections and Other Awaited Promise Tales
JSWORLD Conference via YouTube

Error Handling - Doing It Right
JavaScript Conferences by GitNation via YouTube

CSS for JS Devs - NodeJS Promise - Coding Challenge
JavaScript Conferences by GitNation via YouTube

Callback Heaven
JavaScript Conferences by GitNation via YouTube

Modern JavaScript Basics
Laracasts

JavaScript Callbacks and Promises - Tutorial 75
CodeWithHarry via YouTube

Code School: jQuery, The Return Flight
Pluralsight

Advanced TypeScript 2
Pluralsight

Async JavaScript
Scrimba via Coursera

The Delightful World of Vue Part 2
SymfonyCasts