Javascript Courses and Certifications

Controlling and Securing OpenAI Agents Execution in JavaScript

Master secure OpenAI agent development in JavaScript with data protection, workflow monitoring via event listeners, and input/output guardrails for reliable AI applications.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Introduction to RAG with JavaScript

Discover how Retrieval-Augmented Generation reduces AI hallucinations by combining document retrieval with text generation, featuring hands-on JavaScript implementation.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Scaling up RAG with Vector Databases using JavaScript

Discover how to build scalable RAG systems using JavaScript and vector databases, from document chunking to ChromaDB integration and intelligent retrieval strategies.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Beyond Basic RAG using JavaScript: Improving the Pipeline

Master advanced RAG techniques in JavaScript: hybrid retrieval with BM25+embeddings, iterative query refinement, constrained generation, and context optimization for enhanced AI systems.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Regex Foundations in JavaScript: Matching Patterns

Master regex fundamentals in JavaScript by writing patterns to find text, use special characters, quantifiers, character classes, and anchors for effective string matching and text processing.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Regex Validation, Flags, and Text Processing in JavaScript

Master advanced regex techniques in JavaScript, including input validation, flags, lookaheads, and efficient text processing for real-world data handling.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Real-World Regex in JavaScript: Performance and Integration

Master production-ready regex in JavaScript—optimize performance, handle Unicode, write maintainable patterns, and build a complete ETL data pipeline from scratch.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Career Certificate

Introduction to Regular Expressions in Javascript

Master regular expressions in JavaScript, from simple pattern matching to capture groups, validation, Unicode, and real-world ETL for cleaner, faster data processing.

• CodeSignal
• 4 hours
• Self-Paced
• Free Certificate
• 4 courses

Career Certificate

JavaScript Development with Node, Express, & MongoDB

Master building web applications with Node.js, Express APIs, and MongoDB. Gain skills in I/O engine, npm, file system navigation, API routing, middleware, schema design, and database management.

• VDCI
• 96 hours
• Self-Paced
• $2,995.00

React JS Frontend Web Development for Beginners

8151 ratings at Udemy

Learn React JS along with Modern JavaScript from absolute scratch. This course is a getting started guide for beginners.

• Udemy
• 2 hours 50 minutes
• Self-Paced
• Free Online Course

MERN From Scratch | eCommerce Platform

8101 ratings at Udemy

JUST UPDATED! Build an eCommerce platform from the ground up with React, Redux Toolkit, Express & MongoDB

• Udemy
• 13 hours 29 minutes
• Self-Paced
• Paid Course

Data-driven websites: JSON, APIs and Templates

Discover how to transform static web pages into dynamic applications using JavaScript, JSON, APIs, and template engines for data-driven development.

• Coursera
• 7 hours 31 minutes
• Self-Paced
• Paid Course

Coding Algorithms with AI

Discover how to build algorithms and controllers using AI-driven approaches, focusing on JavaScript development, debugging techniques, and automating tasks for web applications.

• Coursera
• 9 hours 13 minutes
• Self-Paced
• Paid Course

Learn to code interactively, starting with animating your name using JavaScript. Perfect for beginners to gain confidence and write their first lines of code.

• Codecademy
• 1 hour
• Self-Paced
• Free Trial Available

Svelte.js - The Complete Guide (incl. Sapper.js)

3645 ratings at Udemy

Build high-performance web applications with SvelteJS - a lightweight JavaScript compiler

• Udemy
• 12 hours 43 minutes
• Self-Paced
• Paid Course