Dmitry Pliusnin’s Post

8 JavaScript String Methods That Every Developer Uses Daily String manipulation is at the core of almost every JavaScript project, yet many developers still Google these methods every time. Master these 8 essential methods and write cleaner, faster, more professional code from day one. These aren't just beginner concepts. Senior developers rely on these same methods in production code every single day. Bookmark this carousel. Share it with your team. What's your most-used JavaScript method? Let's discuss below 👇 #JavaScript #SoftwareDevelopment #WebDevelopment #ProgrammingTips #FrontendEngineering

🚀 Understanding Destructuring in JavaScript Destructuring in JavaScript — a powerful feature that makes working with arrays and objects much cleaner and more readable. Destructuring allows us to extract values from arrays or properties from objects and assign them to variables in a simpler way. Instead of accessing values one by one, we can unpack them in a structured format. ✨ Why Destructuring is Powerful: Improves code readability Reduces repetitive code Makes function parameters cleaner Very useful in React (especially with props and state) It’s commonly used in: Handling API responses Working with objects and arrays Passing props in React components Managing state in modern JavaScript applications Small ES6 features like this significantly improve code quality and developer productivity. Continuously learning and refining JavaScript fundamentals 💡 #JavaScript #FrontendDevelopment #WebDevelopment #ReactJS #ES6 #CodingJourney

💡 JavaScript Tip of the day What will be the output? console.log(typeof null); 👉 Answer: "object" Yes, it’s a well-known JavaScript bug 😉 #JavaScript #DeveloperLife #FrontendDeveloper #CodingQuestions #Developers

I’m currently revisiting JavaScript fundamentals, starting with arrays and objects. Coming back to these basics is reminding me why foundations matter so much in frontend development. • Arrays are great for storing lists of values. • Objects are better for grouping related data using key–value pairs. This time around, the concepts feel clearer because I’m learning with more intention. I’ll be sharing insights from my frontend journey as I continue to relearn and build 🚀 #FrontendDevelopment #JavaScript #LearningInPublic #WebDevelopment

🚀 JavaScript Errors — Now with cause How many times have you caught an error, wrapped it in a higher-level message, and completely lost the original context? That’s exactly the problem the new Error(..., { cause }) option solves. Instead of overwriting, you can now chain errors and preserve the root cause. The difference in DevTools is huge: Without cause: you only see the high-level error. With cause: you see both the high-level error and the original error that triggered it. This makes debugging much easier, especially in layered systems where abstraction often hides the real failure. 💡 My takeaway: start using cause when re-throwing errors. It’s a small feature with a big impact on developer experience. hashtag #javascript #webDevelopment #codingTip

Most JavaScript developers don’t understand the Event Loop. They memorize rules and guess outputs. And that’s exactly why: - Promise beats setTimeout - await “pauses” code but not the way you think - setImmediate suddenly runs first - production bugs feel random The Event Loop isn’t magic. But the way it’s taught usually is ❌ So I broke it down the way I wish I had learned it: → real code → real debugging → zero hand-waving If you’ve ever been confused by async behavior or struggled with Event Loop interview questions, this will click. 🎥 Watch here: https://lnkd.in/dsgF5uJn (Warning: you’ll stop guessing outputs after this.) #JavaScript #NodeJS #EventLoop #AsyncJavaScript #JavaScriptInterview #WebDevelopment #SoftwareEngineering

I focused on understanding null and undefined in JavaScript. null usually means a value is intentionally set to “no value.” undefined means a value is not assigned or not available for some reason. This small difference is very important when writing clean and bug-free code. Improving my understanding of JavaScript fundamentals step by step. #JavaScript #ProgrammingBasics #WebDevelopment #LearningJourney

https://lnkd.in/diyD-KU3 slice vs splice in JavaScript — a small concept that makes a big difference. Understanding which array methods mutate data and which don’t is crucial for writing predictable and bug-free code, especially in frontend frameworks. Sharing a quick visual breakdown for anyone revising JavaScript fundamentals. Which array method confused you the most when you started? #JavaScriptDevelopers #FrontendDevelopment #ProgrammingBasics #DevelopersOfLinkedIn #ContinuousLearning

JavaScript Challenge (Don’t run it 😄) Most developers say they understand the Event Loop… Let’s test that 👇 What will be the exact output of this code? console.log("start"); setTimeout(() => console.log("timeout"), 0); Promise.resolve() .then(() => console.log("promise1")) .then(() => console.log("promise2")); console.log("end"); 👉 In what order will it print? 👉 Explain using Microtasks vs Macrotasks Drop your answer before running it 👇 hashtag #JavaScript hashtag #Frontend hashtag #WebDevelopment hashtag #CodingChallenge hashtag #InterviewPrep hashtag #SoftwareEngineering

𝗪𝗲𝗹𝗰𝗼𝗺𝗲 𝘁𝗼 𝗗𝗮𝘆 𝟭𝟲 JavaScript is single-threaded. So how can it handle: • Synchronous code • Promises • Timers All at the same time? The answer is task priority and the Event Loop. In this video, I demonstrate exactly how tasks are added and executed based on priority. 𝙒𝙝𝙚𝙣 𝙘𝙤𝙙𝙚 𝙧𝙪𝙣𝙨: -> Code executes first (Call Stack). -> Promise callbacks go to the Microtask Queue. -> setTimeout callbacks go to the Macrotask Queue. 𝙃𝙤𝙬 𝙩𝙝𝙚 𝙀𝙫𝙚𝙣𝙩 𝙇𝙤𝙤𝙥 𝙋𝙞𝙘𝙠𝙨 𝙏𝙖𝙨𝙠𝙨 When the Call Stack becomes empty: -> Run ALL microtasks (Promises first). -> Then run ONE macrotask (setTimeout). -> Repeat the cycle. Microtasks always have higher priority. 𝙏𝙝𝙞𝙨 𝙥𝙧𝙞𝙤𝙧𝙞𝙩𝙮 𝙨𝙮𝙨𝙩𝙚𝙢 𝙞𝙨 𝙬𝙝𝙖𝙩 𝙖𝙡𝙡𝙤𝙬𝙨 𝙅𝙖𝙫𝙖𝙎𝙘𝙧𝙞𝙥𝙩 𝙩𝙤: • Stay responsive • Execute async logic predictably • Simulate concurrency while staying single-threaded #JavaScript #WebDevelopment #FrontendDevelopment #EventLoop #AsyncJavaScript #SoftwareEngineering #DeveloppementWeb #JavaScriptFR