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Nov 25, 2025
14m:36s
Forms & Validation
Classification
Software Engineering | Languages | JavaScript | Node
Keywords
javascript | node
About This Episode:
Your web app just got personal 💬
Until now, your MVC app could display and fetch data — but it couldn’t accept new information from users. That changes today.
👉 In this episode, you’ll learn how to:
🧠 Handle HTML forms and capture user input
⚙️ Parse incoming POST data in Node.js
✅ Add server-side validation for required fields, length, and patterns
🧹 Understand the difference between validation (checking data) and sanitization (cleaning data)
📄 Build your own simple validation rules and validator utility
By the end, your app will safely handle real user input — a huge step toward full interactivity ⚡️
💡 Relevant Links
Previous TekCasts series:
• JavaScript for Beginners: https://tekcasts.com/play/javascript-for-beginners-what-is-javascript
• JavaScript in the Browser: https://tekcasts.com/play/javascript-in-the-browser-browser-runtime-environment
Official Docs & Resources:
• MDN HTML Forms Guide: https://developer.mozilla.org/en-US/docs/Learn/Forms
• MDN Client-Side Form Validation: https://developer.mozilla.org/en-US/docs/Learn/Forms/Form_validation
• Node.js Streams: https://nodejs.org/api/stream.html
• Node.js HTTP Module: https://nodejs.org/api/http.html
• EJS Documentation: https://ejs.co/
Until now, your MVC app could display and fetch data — but it couldn’t accept new information from users. That changes today.
👉 In this episode, you’ll learn how to:
🧠 Handle HTML forms and capture user input
⚙️ Parse incoming POST data in Node.js
✅ Add server-side validation for required fields, length, and patterns
🧹 Understand the difference between validation (checking data) and sanitization (cleaning data)
📄 Build your own simple validation rules and validator utility
By the end, your app will safely handle real user input — a huge step toward full interactivity ⚡️
💡 Relevant Links
Previous TekCasts series:
• JavaScript for Beginners: https://tekcasts.com/play/javascript-for-beginners-what-is-javascript
• JavaScript in the Browser: https://tekcasts.com/play/javascript-in-the-browser-browser-runtime-environment
Official Docs & Resources:
• MDN HTML Forms Guide: https://developer.mozilla.org/en-US/docs/Learn/Forms
• MDN Client-Side Form Validation: https://developer.mozilla.org/en-US/docs/Learn/Forms/Form_validation
• Node.js Streams: https://nodejs.org/api/stream.html
• Node.js HTTP Module: https://nodejs.org/api/http.html
• EJS Documentation: https://ejs.co/
Short Bio:
Bob Cravens is a seasoned technology leader, software architect, and educator with a passion for empowering others through practical, real-world knowledge. As the founder of TekFoundry, Bob has dedicated his career to designing and delivering innovative software solutions that combine cutting-edge technology with elegant simplicity.
At TekCasts, Bob leverages over two decades of experience in software engineering, application architecture, and team leadership to create engaging, high-impact courses for developers and technology professionals. His instructional style is rooted in practical application, offering insights drawn from his extensive background in industries like medical devices and global technology consulting.
Bob’s expertise spans a variety of technologies and methodologies, including PHP/Laravel, FastAPI, and DevOps, as well as architecture best practices and team dynamics. Whether teaching foundational concepts or advanced strategies, he’s passionate about helping others turn complex challenges into streamlined solutions.
When not crafting elegant code or inspiring the next generation of tech innovators, Bob enjoys exploring the intersection of technology, business strategy, and creative problem-solving.
At TekCasts, Bob leverages over two decades of experience in software engineering, application architecture, and team leadership to create engaging, high-impact courses for developers and technology professionals. His instructional style is rooted in practical application, offering insights drawn from his extensive background in industries like medical devices and global technology consulting.
Bob’s expertise spans a variety of technologies and methodologies, including PHP/Laravel, FastAPI, and DevOps, as well as architecture best practices and team dynamics. Whether teaching foundational concepts or advanced strategies, he’s passionate about helping others turn complex challenges into streamlined solutions.
When not crafting elegant code or inspiring the next generation of tech innovators, Bob enjoys exploring the intersection of technology, business strategy, and creative problem-solving.