The Simple JavaScript Beacon Trick For Debugging: Exposes Any Object’s True Origin Today I am going to share a debugging trick I found few days ago while trying to locate the root cause of a bug in my React application. I was debugging some state that seemed to come from nowhere. The debugger showed me the value I needed to find, but I wanted to understand where that value is coming from. This simple debugging trick helped me find where a specific object being displayed in the debugger was created. I started digging into what Chrome DevTools could actually show me. That’s when I found a feature in the memory profiler called “Allocations on timeline”. The “Allocations on timeline” feature shows you where objects got created. #javascript #chrome #web https://lnkd.in/dGGwkspK
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💻 JavaScript Debugging — The Art of Finding That Sneaky Bug! 🐞 Every developer has been there — your code looks perfect, but something just won’t work. You stare at the screen, whisper sweet promises to your console, and still… nothing. That’s where debugging comes in to save your sanity 😅. 🔍 What is Debugging? Debugging is the process of finding and fixing errors (bugs) in your JavaScript code. Think of it as detective work — you’re hunting down clues that lead to what went wrong! 🧠 Tools of the Trade console.log() – Your best friend for checking what’s happening inside your code. Browser DevTools – Press F12 or Ctrl + Shift + I to open them. You can set breakpoints, step through code, and inspect variables. Debugger Keyword – Use debugger; in your code to pause execution and inspect values in the DevTools. 💡 Pro Tip: When debugging, don’t just fix the symptom — find why it happened. That’s how you grow from a “coder” to a real developer. So next time your code throws an error, don’t panic. Take a deep breath, open your console, and let the debugging magic begin! ✨ #JavaScript #Debugging #WebDevelopment #CodingLife #DeveloperHumor #webdev #codecraftbyaderemi #frontend
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💻 Debugging just got a lot smarter! 🧠✨ Today I explored some underrated yet super useful JavaScript tools that make debugging way cleaner and more organized! Meet the trio 👇 🚀 console.group() — neatly groups related logs together 🚀 console.groupEnd() — closes your log group 🚀 console.table() — displays your data beautifully in a table format Before this, my console looked like chaos 😅 Now? It’s structured, easy to read, and saves so much time while tracking multiple processes. Sometimes, it’s not just about writing code — it’s about writing smarter code that makes your workflow smoother. ⚡ Small habits like these separate a beginner from a developer who truly understands the craft. 💪 #JavaScript #WebDevelopment #Frontend #Debugging #CodingTips #CleanCode #DeveloperJourney #LearningInPublic #Consistency
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Error chaining offers a transparent view of what transpired and where. Matt Smith illustrates how `error.cause` simplifies debugging and logging in JavaScript. Read more: https://lnkd.in/gwyic6Gf
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🤯 Why is my async code not waiting inside forEach? I ran into this classic JavaScript trap last week. I needed to process a list of items one by one, each with an async operation: items.forEach(async (item) => { await processItem(item); }); console.log("All done!"); But… the log appeared before the processing finished. Even worse — some async calls overlapped unpredictably. 🧠 What’s actually happening? forEach doesn’t await the async callbacks you pass to it. It just runs them and moves on, without waiting for any of them to finish. So, console.log("All done!") runs immediately, not after everything is processed. ✅ The Fix If you need sequential async execution: for (const item of items) { await processItem(item); } console.log("All done!"); Or, if you want parallel execution: await Promise.all(items.map(processItem)); console.log("All done!"); 💡 Takeaway > forEach + async/await ≠ sequential execution. Use for...of for sequence, or Promise.all for parallelism. 🗣️ Your Turn Have you ever hit this bug while handling async tasks? Do you usually go for Promise.all or handle things one by one? #JavaScript #AsyncAwait #WebDevelopment #CodingTips #ES6 #FrontendDevelopment #DeveloperCommunity #CleanCode #ProgrammingInsights
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💡 𝗗𝗲𝗯𝘂𝗴𝗴𝗶𝗻𝗴 𝗶𝘀 𝗮𝗻 𝗔𝗿𝘁, 𝗡𝗼𝘁 𝗮 𝗙𝗶𝗿𝗲𝗳𝗶𝗴𝗵𝘁! 🔥 Can totally relate to this one 😅 There was a time my codebase was 90% logic and 10% console.logs() — now it’s 90% breakpoints and structured logs 😂 As projects scale, console.log() becomes chaos, and real debugging becomes all about: 🧩 Understanding state changes ⚙️ Stepping through breakpoints 📊 Analyzing stack traces 🚨 Tracking exceptions in real-time So true — debugging is where you actually learn how your code thinks 🧠 💬 Curious — how many of you still have that one console.log("here") left in production by mistake? 😜 🔹 #JavaScript 🔹 #Debugging 🔹 #DeveloperLife 🔹 #WebDevelopment 🔹 #CodeTips 🔹 #BodhiLearn 🔹 #BodhiTechTalks
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💻 Debugging Like a Pro: Are You Still Using console.log()? We’ve all been there — dropping console.log() statements all over our JavaScript code just to trace what’s going wrong. 😅 But as projects grow, debugging becomes an art — not just a quick print statement! 🧠 Here’s what professionals prefer instead: Browser DevTools → Real-time debugging, breakpoints, call stacks VS Code Debugger → Step-by-step control with variable inspection Error Tracking Tools like Sentry or LogRocket → Automated bug tracking Unit Tests + TypeScript → Prevent bugs before they happen The meme says it all: “He still debugs with console.log.” “No way!” 😆 #WebDevelopment #JavaScript #CodingHumor #Debugging #DeveloperLife #SoftwareEngineering #Programmers #FrontendDeveloper #TechCommunity #VSCode #CodeTips #CodingLife
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If you’re still debugging JavaScript with console.log() everywhere, there’s a better way. Here are 5 tools that will make your debugging cleaner, faster, and more effective 👇 1️⃣ console.table() Turns arrays & objects into clean, readable tables. console.table(users) 2️⃣ console.group() Helps you organize logs logically. console.group("API Data") console.log(response) console.groupEnd() 3️⃣ Use the debugger; statement. It stops execution right in DevTools so you can inspect everything live. 4️⃣ Performance logs console.time("load") // run code console.timeEnd("load") Perfect for finding slow code sections. 5️⃣ Bonus tip: breakpoints > spam logs. Learn to pause at the right moment instead of flooding your console. console.log() got you here; but better tools will get you further. Follow for more modern dev tips 👇 #WebDevelopment #JavaScript #FrontendDevelopment #CodingTips #SoftwareEngineering #DevCommunity #Programming #Debugging #Developers #ReactJS #CodeBetter #TechTips
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⚙️ JavaScript Tip That Saves You Debugging Time ⏱️ Ever log multiple values in JS and get confused which is which? Try this simple trick 👇 console.log({ user, score, status }); ✅ Instead of random logs — you get clear labeled output: { user: "Vinod", score: 98, status: "active" } No more guessing what’s what. Small habit → cleaner debugging, faster fixes. 💡 #JavaScript #WebDevelopment #FullStackDeveloper #CodingTips #DeveloperVinod #Debugging
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This small bug taught me more than 10 tutorials ever could. While building a simple counter in JavaScript, I couldn’t figure out why my value wasn’t updating correctly. I checked syntax, re-ran the code, even blamed my browser — everything looked fine. After 2 hours of debugging, I realized the problem wasn’t the logic, it was the order. I was updating the UI before updating the data. It sounds small, but this one bug taught me three big lessons: - Understand how JavaScript executes before fixing symptoms. - Debugging is 80% reasoning, 20% code. - Building > watching tutorials. Mistakes like this are what actually make you better. #JavaScript #WebDevelopment #Frontend #CodingJourney #LearningByDoing
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🌟 Day 55 of JavaScript 🌟 🔹 Topic: Debugging (DevTools) 📌 1. What is Debugging? Debugging is the process of finding and fixing errors in your JavaScript code 🪲 Even the best developers face bugs — what matters is how efficiently you hunt them down ⚡ ⸻ 🧰 2. Chrome DevTools — Your Best Friend You can open it using: 👉 Ctrl + Shift + I (Windows) or Cmd + Option + I (Mac) Key tabs to know: • Console: Logs, errors, and variable values • Sources: Step through code, set breakpoints • Network: Track API calls and responses • Elements: Inspect & modify HTML/CSS live ⸻ 📌 3. Using console for Debugging console.log("Data:", data); // Basic log console.error("Something went wrong!"); console.warn("This might cause issues"); console.table(users); // Display data as table 🧠 Tip: Use descriptive logs so you know exactly what’s happening at each step. ⸻ 📌 4. Breakpoints in DevTools 1️⃣ Open Sources tab 2️⃣ Click the line number to add a breakpoint 3️⃣ Refresh the page — the code pauses there 4️⃣ Inspect variable values & execution flow This helps trace logic line-by-line 🔍 ⸻ 📌 5. Common Debugging Strategies ✅ Read error messages carefully ✅ Log key values before and after functions ✅ Use conditional breakpoints ✅ Debug async code with network + sources tabs ✅ Reproduce the bug consistently ⸻ 💡 In short: Debugging isn’t about removing errors — It’s about understanding your code better 💪 Mastering DevTools = Writing cleaner, faster, and more reliable JavaScript 🚀 ⸻ 🔖 Hashtags #JavaScript #100DaysOfCode #Debugging #ChromeDevTools #WebDevelopment #FrontendDevelopment #CodingJourney #JavaScriptLearning #CleanCode #DevCommunity #CodeNewbie #WebDev
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Most devs learn JavaScript syntax, not behavior. That’s why we see weird bugs that make no sense; until you understand what’s actually happening under the hood. Here are 5 common mistakes (and how to fix them): 1️⃣ Hoisting confusion Variables declared with var are hoisted, but their values aren’t. ✅ Use let or const; they’re block-scoped and predictable. 2️⃣ Loose equality traps == converts types before comparing, leading to chaos. Always use === to avoid surprise conversions. 3️⃣ Misunderstanding closures Closures let functions “remember” the scope where they were created. They’re powerful for managing state and data privacy. 4️⃣ Ignoring the event loop JS runs on a single thread — async code doesn’t mean “parallel.” Understanding how the event loop works will help you debug async issues faster. 5️⃣ Misusing this Arrow functions inherit this from their parent. Regular functions bind it dynamically. Know the difference, or you’ll end up debugging ghosts. 👻 #JavaScript #WebDevelopment #FrontendDevelopment #CodingTips #Programming #SoftwareEngineering #Developer #LearningToCode #DevCommunity
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