🚀 TypeScript 6.0 Beta is out! 🥳 New features: - Temporal - Map#getOrInsert - RegExp.escape - #/ prefix for package imports Updated defaults: - target: ES2025 - --strict is now enabled by default Deprecations: 🗑 baseUrl, outFile 🗑 import assertions 🗑 namespace modules 🗑 moduleResolution: node 🗑 target: ES5 👉 Full release notes: https://lnkd.in/dPCVWPkj #typescript #javascript #webdev #frontend #programming #developernews
TypeScript 6.0 Beta Released with Temporal and More
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Finally! Object.groupBy is fully available! 🚀 Stop using reduce() to group by properties and start using this native method. It’s cleaner, more readable, and officially part of the JavaScript ecosystem. #JavaScript #WebDev #Coding #Frontend #Programming #ES2024
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👀 This is literally JavaScript vs TypeScript. BEFORE → JavaScript Works? Yes. Understands it? Nobody. Touch one thing and pray 🙏 AFTER → TypeScript Same code. Same logic. But now every "wire" has a type, a label, and a purpose. Your team can actually read it. Your IDE helps you. Bugs get caught before they hit production. I just migrated my project from JS to TS and this image is the most honest thing I've ever seen 😂 The wires didn't change — the structure did. That's TypeScript. #TypeScript #JavaScript #WebDev #CleanCode #100DaysOfCode #Frontend #Programming #Brototype
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Predict the output: console.log(typeof null); Answer: object This is a historical bug in JavaScript. It exists because of how early JavaScript stored type tags in memory. null was incorrectly tagged as object. This behavior cannot be fixed now due to backward compatibility. JavaScript has many such interesting edge cases. Understanding internals makes you a better engineer. #javascript #webdevelopment #frontend #softwareengineering #datastructures #algorithms #programming #frontenddeveloper
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Day 7 of “Js in bits series – (Datatypes - Null)” Key ideas covered in the article: 🔹 What null really means in JavaScript 🔹 Why developers explicitly assign null to variables 🔹 The difference between null and undefined 🔹 Why typeof null returns "object" (one of JavaScript’s historical quirks) 👉 https://lnkd.in/gTA8tarr #javascript #webdevelopment #frontend #learning #softwareengineering #coding
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Key Highlights: Problem: Merging two strings by alternating characters from each. The Logic: * Determined the maxLength between two strings to ensure all characters are visited. Implemented conditional checks (if i < length) to handle cases where one string is longer than the other. Avoided undefined values by only appending characters that actually exist in the index. Tech Stack: JavaScript (ES6+).
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You know that feeling when a PM says "just add one more status" and you have to update 5 different files? Yeah. I built something for that. It's a small TypeScript util called createLookup. One definition, and you're done — options for your dropdowns, badge variants for your tables, types, Zod schema, all of it. 30 lines of code that saved me from a lot of late night debugging. Full write-up on my blog: https://lnkd.in/gRVCSwW4 #TypeScript #Frontend #WebDevelopment #React #DeveloperExperience #Programming #CodeQuality
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𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗖𝗹𝗼𝘀𝘂𝗿𝗲𝘀 𝗘𝘅𝗽𝗹𝗮𝗶𝗻𝗲𝗱 — 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗡𝗼𝘁𝗲𝘀 𝗳𝗼𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 Closures are one of the most powerful and important concepts in JavaScript. They allow a function to access variables from its outer scope even after the outer function has finished executing. Understanding closures helps you master data privacy, function factories, callbacks, and advanced patterns used in modern frameworks like React. These notes break down closures in a simple and practical way with clear explanations and real-world use cases to strengthen your core JavaScript knowledge. #JavaScript #Closures #JSConcepts #WebDevelopment #FrontendDevelopment #LearnJavaScript #Programming #DeveloperNotes #Coding #SoftwareEngineering
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🚀 Understanding JavaScript Closures One of the most powerful concepts in JavaScript is Closure. A closure happens when a function remembers variables from its outer scope even after the outer function has finished executing. 💡 Why it matters: Closures help developers create private variables, maintain state, and build powerful patterns in JavaScript applications. They are widely used in: ✔ Event handlers ✔ Callbacks ✔ Data encapsulation ✔ Functional programming Mastering closures helps you write clean, maintainable, and scalable JavaScript code. #JavaScript #WebDevelopment #FrontendDevelopment #Programming #Closures #SoftwareDevelopment
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Today I explored how TypeScript works internally. TypeScript code doesn’t run directly in the browser or Node.js. It first goes through the TypeScript compiler (tsc), which processes the code through several stages before generating JavaScript. Pipeline: TS Code → Lexer → Parser → Binder → Checker → Emitter → JS Code I wrote a blog explaining each stage with a simple example. Blog link: https://lnkd.in/gXkmfAsb Learning a lot from Hitesh Choudhary Sir’s content. Truly grateful for the guidance. #TypeScript #JavaScript #WebDevelopment #LearnInPublic
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TypeScript 😊 ========= :- Interface merging is optional in TypeScript. :- Whenever you want to add new properties to an existing interface, you can use interface merging. :- You can also extend one interface from another interface. Both example are same -------------------------- interface Alphabet { name: string; } interface Alphabet { age: number } const alphabet: Alphabet = { name: "A", age: 29 } or interface Alphabet { name: string, age : 29 } or interface Alphabet { name: string; } interface Letters extends Alphabet { age: number; } #TypeScript #WebDevelopment #FrontendDevelopment #JavaScript #Programming #Coding #SoftwareDevelopment #LearnTypeScript #DeveloperLife #CodeNewbie #TechLearning #InterfaceMerging #FrontendEngineer 😊
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