“Smart Debugging Trick Every JS Dev Should Know ⚡” You don’t always need console.log() — here’s a cleaner move: console.table(users); ✅ Prints objects/arrays in an easy-to-read table ✅ Great for debugging API data or lists ✅ Works directly in browser console 💡 Bonus: Use console.time() + console.timeEnd() to measure execution speed. #JavaScript #Debugging #WebDevelopment #DeveloperVinod
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⚡ The One Chrome Trick Every Developer Should Know Tired of scrolling through endless console logs? 😵 Just type this in your DevTools console 👇 console.table(yourArray) ✅ Instantly formats your data in a clean table ✅ Easier to debug arrays and objects ✅ Saves time — looks professional too Tiny change, big difference in debugging clarity. #WebDevelopment #JavaScript #ChromeDevTools #CodingTips #FullStackDeveloper #DeveloperVinod
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Understanding the Console as the Interface Between You and the Machine I was reading Kyle Simpson’s You Don’t Know JS: Up & Going the other night, and something stopped me. He wrote: “The log(b) part is a function call… and the console part is an object reference where the log(..) function is located.” Then it dawned on me.... I have written console.log() thousands of times, like everyone does. It’s muscle memory. But I realized I never truly pay attention to what the console is, or where it lives. Is it part of JavaScript? A browser thing? Why does it exist everywhere, even in Node, yet behaves slightly differently in each? So I paused to dig deeper. The Console’s Origins The console didn’t start with JavaScript or Chrome DevTools. It began with the command-line terminals of the 1960s and 70s, simple black-and-white screens where everything was text. Developers typed commands, and the machine replied line by line. When Unix arrived, this interaction, input, output, and feedback became a core idea in computing. Every program writes messages to standard output (stdout) or standard error (stderr). So when browsers came along, the console already had a long history. It had always represented visibility, debugging, and a conversation between the developer and the system. The Browser Era When JavaScript was created in 1995, it had no console. Scripts ran silently inside pages. If something broke, developers had no visibility, no error logs, no diagnostics. Early debugging looked like this: Read the full piece on Medium; [https://lnkd.in/d__6P7GQ] #JavaScript #ConsoleLog #WebDevelopment #TechnicalWriting #KyleSimpson #YouDontKnowJS #SoftwareEngineering #MentalModelFriday
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#Todays Thought with small Javascript Code 👍 const learnFromEverything = (sources) => { sources.forEach((s, i) => { console.log(`${i + 1}. Learned from ${s} — takeaway: stay curious`); }); }; const sources = ["colleague", "code review", "mistake", "coffee chat"]; learnFromEverything(sources);
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JavaScript top-level await is no longer considered 'baseline' due to a pretty big Safari bug https://lnkd.in/erwdVQQs The module graph fails in cases where two modules import a third at the same time. Demo: https://lnkd.in/eaY9-CdB It's best to avoid the feature for now 😔 **Update:** Since it uses the same JS engine, the same issue exists in Bun.
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What is currying in JavaScript? Rewrite the function using currying and execute the code. function add(a, b, c) { return a + b + c; } console.log(add(1, 2, 3)); output?
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Why This JavaScript Code Logs 1, 4, 3, 2 1. console.log(1); 2. setTimeout(() => console.log(2), 0); 3. Promise.resolve().then(()=> console.log(3)); 4. console.log(4); Write your answer + short explanation in the comments 👇
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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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🚀 Just launched VS Code Extension! After often forgetting to remove console.log and debugger statements before pushing code 😅, I decided to build a simple tool to fix that. Introducing 🧹 Remove Log and Debugger — a lightweight VS Code extension that automatically cleans up your code before deployment. ✨ Key Features: Instantly removes all console.* and debugger statements. Supports multiple languages — .js, .ts, .vue, .py, .java, .go, .php, and more. One-click cleanup or use the command palette. Optional watch mode to remove logs as you edit. Built with ⚡ esbuild for fast performance. Perfect for keeping your codebase clean before committing to development or production. You can check it out here: https://lnkd.in/g9f7gi55 Would love your feedback or suggestions for improvements! 🙌 #vscode #developer #javascript #opensource #typescript #productivity #coding
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Why JavaScript Hooks Are a Game-Changer for Modular Code Developers: you’ve likely encountered a situation where you need to extend behavior in your application without modifying the core logic. That’s where hooks come in.
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Tech tip - overriding 'alert' to write to 'console.log' with #javascript I define my own global function 'alert' that writes the message using 'console.log'. I still use 'alerts' for debugging. I can leave the alerts in when going live and just override the 'alert' function. I also still debug by adding colored backgrounds to HTML elements. The debugger on my old Konqueror browser hangs the browser. The browser is 15 years old and I compiled it myself (slightly wrongly) from the sources.
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