This tiny newline can break your JavaScript code😱 #coding #javascript #frontend This JavaScript short explains one of the most confusing return statement bugs caused by Automatic Semicolon Insertion (ASI). Learn why the same-looking functions return different results — and how to avoid this hidden trap in your code. Perfect for JavaScript interviews, beginners, and advanced devs who want to understand JS deeply. #JavaScript #CodingShorts #JSInterview #TheDeveloperSchool #JavaScript #CodingShorts #TheDeveloperSchool #WebDevelopment #JSInterview #FrontendDeveloper #FullStackDeveloper #JavaScriptTips #LearnCoding #CodeShorts #ProgrammingShorts #TechInterview
More Relevant Posts
-
#Day1Nov #dailylearning Today I learned an important JavaScript concept that often confuses beginners — the difference between undefined and null. ✨ undefined → means a variable has been declared but not assigned a value yet. 🪄 Example: let a; console.log(a); // undefined ✨ null → means a variable is intentionally set to “no value” by the programmer. 🪄 Example: let b = null; console.log(b); // null 📘 In short: undefined = JavaScript’s default “empty” null = Developer’s intentional “empty” This small difference can help avoid big bugs during coding and interviews! 🚀 #Masaiverse #JavaScript #LearningJourney #WebDevelopment #MasaiSchool.
To view or add a comment, sign in
-
Understanding Template Literals in JavaScript" Today I learned about Template Literals — a cool way to write cleaner and more readable strings in JavaScript. Instead of using + for string concatenation, we can use backticks (`) and easily include variables or expressions! Example: const name = "Kishore"; const course = "JavaScript"; const message = `Hello, my name is ${name} and I'm learning ${course}!`; console.log(message); // Output: Hello, my name is Kishore and I'm learning JavaScript! It makes string formatting super easy and professional. 🚀 #JavaScript #WebDevelopment #LearnToCode #FrontendDevelopment #CodingJourney #TemplateLiterals #ProgrammingLife #100DaysOfCode #TechLearning #DeveloperCommunity
To view or add a comment, sign in
-
🚀 Master JavaScript Variable Naming — Made Simple! Clean and consistent naming is one of the most underrated skills in JavaScript. A well-named variable improves readability, reduces bugs, and makes your code easier for everyone on the team to understand. Here are the 5 essential naming rules every JavaScript developer should follow: 🔹 Must start with a letter, _, or $ 🔹 Can contain letters, digits, and $ 🔹 No spaces in variable names 🔹 Cannot use reserved words (like let, if, const) 🔹 Use descriptive names and follow camelCase Good naming = clean code = better developer experience ✨ 💬 What naming conventions do you follow in your projects? #JavaScript #JavaScriptTips #CleanCode #CodingTips #ProgrammingBasics #WebDevelopment #FrontendDeveloper #FullStackDeveloper #SoftwareEngineering #CodeQuality #DeveloperProductivity #JavaScriptDevelopment #LearnToCode #ProgrammingLife #WebDevCommunity #FrontendTips #SoftwareBestPractices #CodingStandards #TechEducation #ProblemSolving #SoftwareDeveloper #TechSkills #CodingJourney #DeveloperExperience #DevCommunity #ProgrammingFundamentals #JSDeveloper #ModernJavaScript #WebDeveloper #python #PythonFullStack
To view or add a comment, sign in
-
-
🚀 30 Seconds to Boost Your JavaScript Skills! In this quick short, I’ve covered some of the most powerful JavaScript Array Methods every developer should know 🔥 Whether you’re preparing for interviews or brushing up your JS basics — this short will level up your coding game ⚡ 🎥 Watch here 👉 https://lnkd.in/gMzCiJwd 💬 Tell me in comments — which array method do you use the most in your projects? #JavaScript #WebDevelopment #Coding #Frontend #Developers #YouTubeShorts #JSArrays #LearnCoding #CodeTips #PakhiCodes
⚡ Master JavaScript Array Methods in 30 Seconds! #javascript
https://www.youtube.com/
To view or add a comment, sign in
-
#Javascript #Linkedin #interviewpractices #simpleanswer What is for...in and for...of in javascript? Ans: for...in: Used to loop over the keys(property names) of an object. It gives you indexes when used with arrays. for...of: Used to loop over the values of an iterable(like arrays, strings, etc). It gives you values, not key. In short: for...in → loops through keys/indexes. for...of → loops through values
To view or add a comment, sign in
-
-
🚀 Day 9 of My 30 Days of JavaScript Journey ✅ Challenge: Arguments Length (LeetCode #2703) Write a function argumentsLength that returns the total number of arguments passed to it — no matter how many or what type! This challenge is a simple yet powerful way to understand rest parameters in JavaScript. 💻 Language Used: JavaScript ❓ Problem Link: https://lnkd.in/g8gK65Cp 💡 Solution: https://lnkd.in/gJQyNBaq 🧠 Concept Highlighted: This problem emphasizes the use of rest parameters (...args) to handle variable-length arguments, a handy feature for building flexible and reusable functions in JavaScript. #Day9 #JavaScript #LeetCode #30DaysOfCode #CodingChallenge #WebDevelopment #FrontendDevelopment #LearningEveryday #ProblemSolving #ES6
To view or add a comment, sign in
-
JavaScript isn’t just about writing code — it’s about learning to think in new ways. The deeper I go, the more I realize: every function has a story, and every bug has a lesson. #JavaScript #WebDevelopment #ContinuousLearning #CodingJourney
To view or add a comment, sign in
-
-
💡 “Practice makes progress!” I just created a JavaScript Function Practice File covering beginner to advanced levels. If you’re learning JS or revising concepts, this will be a great resource to test your logic and coding skills. 🔥 Keep building, keep learning! #MERN #JavaScript #LearningByDoing #CodingJourney
To view or add a comment, sign in
-
learn the top 20 javascript concepts every developer must master All explained simply and practically in this tutorial. From hoisting and closures to async/await, event loop, and prototypes, this guide covers everything you need to build a strong foundation in javascript. each concept is explained with key points, making it perfect for beginners, frontend developers, and anyone preparing for javascript interviews. . . . . 📘 what’s inside: ~hoisting and execution context ~this keyword and lexical scope ~promises & async/await ~prototypes & inheritance ~memory management & event loop ~debounce & throttle functions ~destructuring, spread, and rest operators . . . . . . . #javascript #javascripttutorial #learnjavascript #frontenddeveloper #webdevelopment #programming #coding #developerlife #webdeveloper #frontenddevelopment #reactjs #nodejs #webdesign #softwaredevelopment #codingforbeginners #learncoding #javascriptconcepts #asyncawait #closures #eventloop
To view or add a comment, sign in
-
## 🚀 **Top 10 JavaScript Concepts Every Developer Should Know!** 💛 JavaScript is the heart of web development — mastering its core concepts makes you a real problem-solver! Let’s quickly revisit some powerful fundamentals 👇 --- ### 🧩 1️⃣ **Variables (`var`, `let`, `const`)** * `var` → Function-scoped * `let`, `const` → Block-scoped * Use `const` when the value won’t change. ```js let name = "Vijaya"; const age = 25; ``` --- ### ⚡ 2️⃣ **Hoisting** Variables and functions are moved to the top of their scope before execution. ```js console.log(x); // undefined var x = 5; ``` --- ### 🌀 3️⃣ **Closures** A function “remembers” the variables from its parent scope — even after the parent is gone! ```js function outer() { let count = 0; return function inner() { count++; console.log(count); }; } const counter = outer(); counter(); // 1 counter(); // 2 ``` --- ### 🧠 4️⃣ **Promises & Async/Await** Handle asynchronous code neatly. ```js async function getData() { const data = await fetch('https://api.example.com'); console.log('Data loaded!'); } ``` --- ### 🧮 5️⃣ **Array Methods** Powerful one-liners for clean code: * `map()` – transform data * `filter()` – filter elements * `reduce()` – combine values ```js let nums = [1,2,3]; let doubled = nums.map(n => n*2); ``` --- ### 🔁 6️⃣ **Callback Functions** A function passed as an argument to another function. ```js function greet(name, callback) { callback(`Hello ${name}`); } greet("Vijaya", console.log); ``` --- ### 🧱 7️⃣ **Objects & Destructuring** Extract values easily: ```js const user = {name: "Vijaya", age: 22}; const {name, age} = user; ``` --- ### 🔥 8️⃣ **ES6 Features** Modern JavaScript = cleaner syntax! ✅ Template literals ✅ Arrow functions ✅ Spread & Rest operators ✅ Modules ```js const arr = [1, 2]; const newArr = [...arr, 3]; ``` --- ### 🧭 9️⃣ **Event Loop** JS is single-threaded but handles async tasks smartly. 📚 Tasks go to the callback queue and execute when the main thread is free. --- ### 💥 🔟 **DOM Manipulation** Make your webpage dynamic! ```js document.getElementById("demo").innerText = "Hello JS!"; ``` --- ### ✨ **Final Thought** > “Knowing syntax is easy — understanding concepts makes you a real developer.” Keep practicing, keep building 💪 #JavaScript #WebDevelopment #CodingJourney #LearnWithMe #FrontendDeveloper #LinkedInLearning #100DaysOfCode Ajay Babu Sappa 10000 Coders sanjeev ch Manivardhan Jakka
learn the top 20 javascript concepts every developer must master All explained simply and practically in this tutorial. From hoisting and closures to async/await, event loop, and prototypes, this guide covers everything you need to build a strong foundation in javascript. each concept is explained with key points, making it perfect for beginners, frontend developers, and anyone preparing for javascript interviews. . . . . 📘 what’s inside: ~hoisting and execution context ~this keyword and lexical scope ~promises & async/await ~prototypes & inheritance ~memory management & event loop ~debounce & throttle functions ~destructuring, spread, and rest operators . . . . . . . #javascript #javascripttutorial #learnjavascript #frontenddeveloper #webdevelopment #programming #coding #developerlife #webdeveloper #frontenddevelopment #reactjs #nodejs #webdesign #softwaredevelopment #codingforbeginners #learncoding #javascriptconcepts #asyncawait #closures #eventloop
To view or add a comment, sign in
Explore content categories
- Career
- Productivity
- Finance
- Soft Skills & Emotional Intelligence
- Project Management
- Education
- Technology
- Leadership
- Ecommerce
- User Experience
- Recruitment & HR
- Customer Experience
- Real Estate
- Marketing
- Sales
- Retail & Merchandising
- Science
- Supply Chain Management
- Future Of Work
- Consulting
- Writing
- Economics
- Artificial Intelligence
- Employee Experience
- Workplace Trends
- Fundraising
- Networking
- Corporate Social Responsibility
- Negotiation
- Communication
- Engineering
- Hospitality & Tourism
- Business Strategy
- Change Management
- Organizational Culture
- Design
- Innovation
- Event Planning
- Training & Development