JavaScript: The Hard Parts, v2 vs Cloud DevOps Engineer Nanodegree

Goes deep on the JavaScript runtime model — thread of execution, the call stack, closure, the event loop, Promises and prototypes/classes — across roughly 6.5 hours. Reviewers consistently say it explains how JavaScript works "under the hood" rather than just syntax.

Will Sentance (Codesmith founder) is the most-praised element. Learners cite his blackboard diagrams, the "backpack" analogy for closure, and a Socratic, audience-paced delivery. The same intense, repetitive style is the one thing a minority find tiring.

Requires a $39/month Frontend Masters subscription rather than a one-time purchase — strong value if you use the wider catalog, weaker if you only want this one course. The course is included in the standard subscription.

This is a conceptual, exercise-and-whiteboard course, not a project build. There is no portfolio-worthy capstone, which some learners miss. The exercises are effective for drilling mental models but produce no artefact.

The mental models — call stack, closure, the event loop, async behaviour — directly explain bugs developers hit daily. Experienced developers report the course clarified concepts they had used for years without fully understanding.

Curriculum covers CloudFormation, Jenkins CI/CD, Ansible, Docker and Kubernetes/EKS. Breadth is right for DevOps onboarding, but reviewers flag post-2018 Udacity content as weaker than original cohorts and shallow on production-grade IaC practice.

Multi-author program with no single pedagogical voice, mixing video, slides and AWS console walkthroughs. Lessons are clear, but reviewers note the lack of a flagship instructor and a teaching style leaning on console demos over first-principles infrastructure thinking.

The biggest drag on the score. At ~$249-399/month or $1,000-1,500 total, the program competes with the free Cloud Resume Challenge, free AWS Skill Builder, free whitepapers and re:Invent videos — and reviewers question paying ten times that for similar ground.

Five projects culminating in a Kubernetes/EKS microservices deployment is the program's strongest engineering payoff. The downside is heavy boilerplate and AWS-console-driven workflow that reviewers describe as "fill in the blanks" rather than IaC from scratch.

The tool stack — CloudFormation, Jenkins, Ansible, Docker, Kubernetes, EKS — matches what cloud-infrastructure teams actually use, and reviewers report meaningful skill transfer. The gap is that DevOps hiring requires AWS certs or a public portfolio, not a nanodegree certificate.