Answers to Common Questions About the Exam

Let’s answer a few common questions about taking an exam on certificates.dev

How Exam Proctoring Works on Certificates.dev

In this post, we cover proctoring methods for our developer certifications. Learn about how we leverage video monitoring, screen recording, and AI-assisted verification to a fair examination.

Nuxt UI: Unapologetically complete

Nuxt UI: The Shortcut You Don’t Have to Apologize For The component library that was built with developer experience in mind and solves accessibility and dependency management problems.

Serverless functions in Nuxt: backend power without a backend

**Serverless functions** are tiny pieces of code that run on demand in the cloud. You don’t provision servers or infrastructure, or write scaling rules. Cloud providers handle the underlying infrastructure, automatically scaling resources based on demand. They’re perfect for lightweight APIs, form handlers, webhooks, simple auth endpoints, and glue code.

Just Use useTemplateRef for Template Refs

Vue 3.5's useTemplateRef eliminates template ref headaches: no more type mismatches, silent typos, or verbose component typing. Here's why it's worth the switch.

Closures: private state, tiny surface

JavaScript closures give functions memory: private state without globals, safer APIs, and predictable behavior. See what they are, when to use them, and why.

Component architecture with inputs, model(), and viewChild()

This article explores three distinct approaches to facilitating communication between a parent component and a dialog component in Angular, using a single interactive example centered on opening and closing a dialog.

React Concurrent Features: An Overview

Learn React's key concurrent features—useTransition, useDeferredValue, Suspense, and useOptimistic—and how they coordinate to create smooth, responsive user experiences. Includes practical examples and best practices.

Unravel the mystery of JavaScript's event bubbling and take control of your event handling!

Master JavaScript event bubbling with this concise guide. Learn how events propagate and how to stop them, using clear code examples.