Tools
Debugging Like a Pro: Tools and Techniques for Web Developers
Every developer spends a significant portion of their time debugging. The difference between junior and senior developers often isn't who writes fewer bugs…
Search Results
Results for "JavaScript debugging"
66 articles found
Tools
TypeScript
TypeScript for JavaScript Developers: Why You Should Make the Switch
If you're still writing plain JavaScript, TypeScript deserves your attention. It's JavaScript with static typing, which means you catch errors during devel…
JavaScript
JavaScript Closures Explained: What They Are and Why You Need Them
Closures are one of those JavaScript concepts that every developer eventually has to wrestle with. At its simplest, a closure is the combination of a funct…
Testing & Debugging
Debugging Python Code Like a Pro
Debugging is an inevitable part of programming. The better you are at it, the faster you can fix issues and move on. Python comes with a built-in debugger…
Technology
How I Use AI for Code Review and Debugging
AI has become my first line of defense for code review and debugging. I paste problematic sections and ask for potential issues. The AI often catches edge…
CSS
Animation on the Web: CSS vs JavaScript Animations
Animations can elevate user experience when done well, but choosing the right tool matters. CSS animations are declarative and browser-optimized. Use them…
JavaScript
Debugging JavaScript with Console Methods
Most beginners start with console.log('here') to debug. While that works, the browser DevTools console has much more to offer. console.table() is a lifesav…
JavaScript
JavaScript Closures: The Concept That Finally Clicked
JavaScript closures were my personal nemesis for a solid six months. I could read about them, but I never understood why I would use them until I started b…
JavaScript
Getting Started with Node.js and NPM
JavaScript used to be confined to the browser. Then Node.js came along and allowed us to run JavaScript on the server. For a beginner, installing Node also…
JavaScript
The JavaScript Event Loop: How Asynchronous Code Works
JavaScript is single-threaded, which means it can only do one thing at a time. So how does it handle fetching data from an API without freezing the entire…
Advanced JavaScript
WebAssembly: Running High-Performance Code in the Browser
WebAssembly (Wasm) is changing what's possible in web development by allowing compiled languages like C++, Rust, and Go to run in the browser at near-nativ…
Testing
Testing Your Web App: Unit, Integration, and E2E Tests
Testing isn't about achieving 100% coverage—it's about building confidence in your code. A balanced testing strategy uses multiple levels. Unit tests ver…
JavaScript
Understanding 'this' in JavaScript
The 'this' keyword in JavaScript is notoriously confusing because its value depends on how the function is called. In the global context, this refers to th…
HTML/CSS/JS
Form Validation: HTML5 vs JavaScript
Forms are the gateway to user data, and validating that data is crucial. You have two layers: client-side validation (for UX) and server-side validation (f…
JavaScript
Understanding the DOM (Document Object Model)
When you load an HTML page, the browser parses the text and creates a tree-like structure called the Document Object Model, or DOM. This is the interface b…
JavaScript
State Management in Vanilla JavaScript
Frameworks like React have popularized the concept of 'state'—the data that changes over time. But you can implement state management in vanilla JavaScri…
Backend
Bun vs Node.js: The JavaScript Runtime Showdown
Bun has emerged as a serious competitor to Node.js, promising dramatically faster performance for JavaScript and TypeScript development. Built on JavaScrip…
Static Sites
Static Site Generation with Astro: The Future of Content Sites
Astro represents a paradigm shift in how we build content-focused websites. Its core innovation is island architecture—you ship HTML by default and only…
How to Use Claude
Claude for Coding: How Developers Are Using It in Real Projects
Developers have been integrating Claude into their workflows in ways that go well beyond 'generate a function.' The ways Claude gets used in real engineeri…
How to Use Claude
Multimodal Claude: How to Use Image Analysis Features
Claude isn't just a text model anymore. The ability to understand and reason about images has opened up a significant range of new use cases. Here's how to…
JavaScript
Local Storage vs. Session Storage vs. Cookies
When I needed to save a user's theme preference (dark mode) on my first web app, I was confused by the options. Cookies are the old school way. They are se…
DevOps
Observability in Web Apps: Beyond Logging
Understanding what's happening in production applications requires more than scattered console.log statements. Observability is the practice of instrumenti…
JavaScript
Building a Simple REST API with Express.js
Once I was comfortable with frontend JavaScript, I wanted to build my own backend. Express.js is the most popular framework for Node.js. It's minimalist an…
JavaScript
Understanding HTTP Requests: GET, POST, PUT, DELETE
When you type a URL in the browser, you're making a GET request. It asks the server, 'Please give me this resource.' When you submit a login form, you're o…
JavaScript
Array Methods: Map, Filter, and Reduce
If you’re coming from another language, you might use for loops to manipulate arrays in JavaScript. While that works, the functional array methods—map…
JavaScript
Async/Await: Modern JavaScript Promises
When I first encountered Promises, the .then().catch() syntax felt messy, especially for complex chains. Enter Async/Await, a syntactic sugar that makes as…
Tools
Webpack vs Vite: Choosing the Right Build Tool
The build tool landscape has evolved dramatically, and the choice between Webpack and Vite can significantly impact your development experience. Webpack ha…
CSS
CSS Variables: Unlocking Dynamic Stylesheets
CSS Custom Properties, commonly called CSS variables, have revolutionized how we write and maintain stylesheets. Unlike preprocessor variables from Sass or…
Desktop Development
Tauri vs Electron: Building Lightweight Desktop Apps with Web Tech
For years, Electron has been the go-to for building desktop apps with web technologies. But Tauri has emerged as a compelling alternative with fundamentall…
Technology
My AI Coding Workflow: From Idea to Deployed App
I have refined my AI-assisted development workflow over the past year. It starts with brainstorming where I use ChatGPT to explore architecture options. Th…
Best Practices
Clean Code: Writing Java That Humans Can Read
I’ve read Robert Martin’s *Clean Code* three times, and I still learn something new each time. The golden rule is that code is written for humans, not…
Reactive Programming
Introduction to Reactive Programming with Project Reactor
Asynchronous programming used to give me headaches until I started using Project Reactor. It’s the foundation of Spring WebFlux, and it changes how you t…
DevOps
Logging Best Practices with SLF4J and Logback
Logging is often an afterthought until something goes wrong. I’ve been on calls where we were trying to debug a failure and realized the logs were either…
Technology
Building a Full-Stack App with Claude: A Real-World Journey
Last month I decided to build a small habit-tracking app using only Claude as my coding assistant. The process was eye-opening. I started with a vague idea…
Programming Trends
Why Python is Dominating the Tech World
Python's rise in popularity is no accident. It powers everything from small scripts to massive web applications and artificial intelligence systems. One re…
Build Tools
Getting Started with Maven: Beyond the Basics
When I graduated from university, I knew how to write Java, but I had no idea how to manage dependencies. I used to download JAR files manually and drop th…
Error Handling
Exception Handling: Making Your Code Robust
Errors are inevitable in programming. What matters is how your program handles them. Exception handling allows your code to deal with errors gracefully ins…
Data Visualization
Python for Data Visualization: Matplotlib and Seaborn
Data visualization is a key part of data analysis. Python offers several libraries for creating plots and charts. Matplotlib is the foundational library. I…
Tools & Setup
Setting Up Your Python Development Environment
A good development environment can make your Python journey much smoother. Start by downloading the latest version of Python from python.org. During instal…
Productivity
5 AI Agents That Will Actually Save You Time at Work
We all have those tasks that eat up our day: scheduling meetings, sorting through emails, pulling data from one spreadsheet into another. I started using A…
Stack Overflow
The Panic of the Red Error: How Stack Overflow Saved My Sanity
It was 2 AM, and I was staring at a terminal full of red text that looked like it was written in an ancient curse. My project was due in six hours, and a s…
Google Cloud Platform
Cloud Logging: Finding a Needle in a Haystack of Logs
My app crashed. I had logs. Thousands of them. I needed to find the error that happened at 3:14 AM. I used to SSH into servers and grep through log files…
Stack Overflow
When Stack Overflow Is Down: A Developer’s Existential Crisis
Remember that day Stack Overflow went down for a few hours? I do. It was a Tuesday. The office was quiet, except for the sound of productivity grinding to…
Google Cloud Platform
Cloud Logging: Finding a Needle in a Haystack of Logs
My app crashed. I had logs. Thousands of them. I needed to find the error that happened at 3:14 AM. I used to SSH into servers and grep through log files…
Stack Overflow
How Stack Overflow Made Me a Better Googler
Before I started using Stack Overflow heavily, my Google searches were vague. I’d type something like 'my website is broken' and wonder why I got bad res…
Google Cloud Platform
Monitoring with Cloud Operations: From Panic to Peace
I used to find out my app was down when users emailed me. Hours of downtime. Angry customers. Panicked debugging. Then I set up Cloud Operations (formerly…
Stack Overflow
The 'XY Problem' and How Stack Overflow Helps You Avoid It
The XY problem is when you try to solve problem X, you think solution Y is the answer, and then you ask for help with Y, completely missing the fact that X…
Google Cloud Platform
Monitoring with Cloud Operations: From Panic to Peace
I used to find out my app was down when users emailed me. Hours of downtime. Angry customers. Panicked debugging. Then I set up Cloud Operations (formerly…
Real-Time
WebRTC: Building Peer-to-Peer Video and Audio Applications
WebRTC (Web Real-Time Communication) enables direct peer-to-peer audio, video, and data sharing between browsers without intermediate servers. The technolo…
Testing
Cross-Browser Testing: Making Your Site Work Everywhere
The browser ecosystem is more diverse than ever. What works perfectly in Chrome might break in Safari or Firefox. Cross-browser testing ensures your site p…
Stack Overflow
How to Ask a Question on Stack Overflow Without Getting Roasted
We all know the stereotype: ask a question on Stack Overflow and prepare to be told your code is a war crime. But honestly, most of the hostility comes fro…
React
State Management in React: Beyond useState
As React applications grow, managing state across components becomes increasingly complex. While useState is perfect for local component state, you'll even…
Real Stories
5 Times Claude Saved My Butt (And 1 Time It Made Things Worse)
Real talk. I'm not an AI expert. I'm just a freelance writer who got tired of staring at blank screens. Claude became my secret weapon. Sometimes it backfi…
Technology
How AI Coding Assistants Changed the Way I Build Software
I still remember the days of staring at a blinking cursor, trying to recall the exact syntax for a JavaScript map function. Then came AI coding assistants…
JavaScript
Introduction to React: Components and Props
React changed the way we think about frontend development by introducing the component model. In React, everything is a component—a reusable piece of UI…
JavaScript
Introduction to Web Components
Before React and Vue, there was a native browser standard for reusable components: Web Components. They consist of three main technologies: Custom Elements…
CSS
CSS Variables (Custom Properties)
Maintaining large CSS files used to be a headache. If you wanted a consistent color scheme, you had to do a find-and-replace for every hex code. CSS Variab…
How to Use Claude
Building a Chatbot with Claude: A Developer's Starter Guide
Building a functional chatbot with Claude is more achievable than most people expect, even with modest programming experience. Here's a practical starting…
Stack Overflow
Finding Your Niche: Becoming an Expert in a Stack Overflow Tag
I was a generalist, answering questions on Python, JavaScript, and whatever else came my way. My reputation grew slowly. Then I found my niche: a specific…
DevOps
Deployment 101: Hosting Your First Website
Taking your code from localhost to the live internet is a rite of passage for web developers. The options can feel overwhelming, but start simple. For stat…
Progressive Web Apps
Progressive Web Apps: Bridging Web and Native
Progressive Web Apps (PWAs) represent the best of both worlds—the reach of the web with the capabilities of native apps. A PWA is essentially a website t…
Performance
Optimizing Website Performance: Core Web Vitals Explained
Google's Core Web Vitals have transformed performance optimization from a nice-to-have into a critical ranking factor. These metrics measure real-world use…
Internationalization
Internationalization (i18n) for Web Apps: Beyond Simple Translations
Building web applications for global audiences requires more than just translating text strings. True internationalization (i18n) encompasses number format…
DevOps
Build Systems and Monorepos: Managing Large-Scale Codebases
As web projects grow, managing multiple packages, applications, and shared code becomes a significant challenge. Monorepos—single repositories containing…
Backend
Rust for Web Development: When Performance Matters
Rust is increasingly making its way into web development, not as a JavaScript replacement, but for the performance-critical layers where every millisecond…
Backend
Building Your First API with Node.js and Express
Creating your own API is a milestone for any web developer, and Node.js with Express makes it surprisingly approachable. Start by initializing a project wi…