Web Development - HTML, CSS & JavaScript

☁️ 𝟰 𝗙𝗥𝗘𝗘 𝗚𝗼𝗼𝗴𝗹𝗲 𝗖𝗹𝗼𝘂𝗱 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 | 𝗕𝘂𝗶𝗹𝗱 𝗜𝗻-𝗗𝗲𝗺𝗮𝗻𝗱 𝗖𝗹𝗼𝘂𝗱 𝗦𝗸𝗶𝗹𝗹𝘀 Explore these Google Cloud learning resources covering cloud fundamentals, infrastructure, networking, security, data and AI/ML. 🔥 4 Courses to Explore: 1️⃣ Cloud Computing Fundamentals 2️⃣ Infrastructure in Google Cloud 3️⃣ Networking & Security in Google Cloud 4️⃣ Data, ML & AI in Google Cloud 🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:-  https://pdlink.in/4zrksPn 🎯 Perfect for Students | Freshers | Developers | Cloud & DevOps Aspirants

𝗪𝗢𝗥𝗞 𝗙𝗥𝗢𝗠 𝗛𝗢𝗠𝗘 𝗝𝗢𝗕 𝗢𝗣𝗣𝗢𝗥𝗧𝗨𝗡𝗜𝗧𝗬 😍 Company Name :- AI InsurTech Company 💼 𝗥𝗼𝗹𝗲: Backend Developer 💰 𝗦𝗮𝗹𝗮𝗿𝘆: ₹5 LPA 🏠 𝗪𝗼𝗿𝗸 𝗠𝗼𝗱𝗲: Work From Home 📍 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻: Hyderabad / Remote 🎓 𝗪𝗵𝗼 𝗖𝗮𝗻 𝗔𝗽𝗽𝗹𝘆? ✅ BTech/BE graduates ✅ Branches: CS, IT, AI, ML and Data-related streams ✅ Graduation Years: 2025 and 2026 🔗 𝗔𝗽𝗽𝗹𝘆 𝗡𝗼𝘄 👇:- https://pdlink.in/4xIfsE4 ⚡ Apply early and share this opportunity with your friends!

function* numbers() { yield 1; yield 2; yield 3; } const generator = numbers(); console.log(generator.next()); console.log(generator.next()); Output: { value: 1, done: false } { value: 2, done: false } After all values are consumed: { value: 3, done: false } { value: undefined, done: true } Important: Calling a generator function doesn't immediately execute its body. It returns a generator object. 57. What are iterators? An iterator is an object that provides a way to access values one at a time using the next() method. Example: const numbers = [10, 20, 30]; const iterator = numbers[Symbol.iterator](); console.log(iterator.next()); console.log(iterator.next()); Output: { value: 10, done: false } { value: 20, done: false } The iterator eventually returns: { value: undefined, done: true } Common Iterables: • Arrays • Strings • Maps • Sets That's why they can be used with for...of. for (const number of numbers) { console.log(number); } 58. What is destructuring assignment? Destructuring assignment allows values to be extracted from arrays or objects and assigned to variables. Object Example: const user = { name: "Deepak", age: 25 }; const { name, age } = user; Array Example: const numbers = [10, 20]; const [a, b] = numbers; Why Use It? It makes code shorter and easier to read, especially when working with API responses and function parameters. 59. What is dynamic import? Dynamic import allows a JavaScript module to be loaded when it is needed, instead of loading it immediately. It uses: import() Example: async function loadModule() { const module = await import("./math.js"); console.log(module.add(10, 20)); } Important: Unlike a static import: import { add } from "./math.js"; dynamic imports return a Promise. Common Uses: • Lazy loading • Code splitting • Loading features only when required • Improving initial page performance 60. What are ES6 modules? ES6 modules provide a standard way to divide JavaScript applications into separate files. They use export and import. Export: // math.js export function add(a, b) { return a + b; } Import: // app.js import { add } from "./math.js"; console.log(add(10, 20)); Default Export: export default function greet() { console.log("Hello"); } Import: import greet from "./greet.js"; Benefits: ✅ Code organization ✅ Reusability ✅ Encapsulation ✅ Easier maintenance ✅ Avoids unnecessary global variables ❤️ Double Tap For Part 7

🚀 JavaScript Interview Questions with Answers — Part 6 51. How do you sort arrays? The sort() method is used to sort the elements of an array. Sorting Strings const fruits = ["Banana", "Apple", "Mango"]; fruits.sort(); console.log(fruits); Output: ["Apple", "Banana", "Mango"] Sorting Numbers By default, sort() converts elements to strings, so a comparison function should be used for numbers. const numbers = [10, 5, 20, 2]; numbers.sort((a, b) => a - b); console.log(numbers); Output: [2, 5, 10, 20] Descending Order: numbers.sort((a, b) => b - a); Interview Tip: sort() mutates the original array. 52. What is array destructuring? Array destructuring allows you to extract values from an array and assign them to variables. Example: const numbers = [10, 20, 30]; const [a, b, c] = numbers; console.log(a); console.log(b); console.log(c); Output: 10 20 30 Skipping Values: const numbers = [10, 20, 30]; const [first, , third] = numbers; console.log(first, third); Output: 10 30 Default Values: const numbers = [10]; const [a, b = 20] = numbers; console.log(a, b); Output: 10 20 53. What are Sets? A Set is a collection of unique values. Duplicate values are automatically removed. Example: const numbers = new Set([1, 2, 2, 3, 3]); console.log(numbers); The Set contains: {1, 2, 3} Common Methods: const numbers = new Set(); numbers.add(10); numbers.add(20); console.log(numbers.has(10)); numbers.delete(20); Convert Set to Array: const arr = [...numbers]; 54. What are Maps? A Map is a collection of key-value pairs. Unlike regular objects, a Map can use different data types as keys. Example: const users = new Map(); users.set(1, "Deepak"); users.set(2, "John"); console.log(users.get(1)); Output: Deepak Common Methods: users.set(key, value); users.get(key); users.has(key); users.delete(key); users.clear(); Example: console.log(users.has(2)); Output: true Map vs Object: Map • Any value can be a key • Has size property • Built-in methods • Designed for key-value collections Object • Keys are primarily strings/symbols • No built-in size • Different object APIs • General-purpose objects 55. What are Symbols? Symbol is a primitive data type used to create unique identifiers. Example: const id1 = Symbol("id"); const id2 = Symbol("id"); console.log(id1 === id2); Output: false Even though both have the same description, each Symbol is unique. Using Symbol as an Object Property: const id = Symbol("id"); const user = { name: "Deepak", [id]: 101 }; console.log(user[id]); Common Use: Symbols are useful when you need unique property keys that are unlikely to conflict with other properties. 56. What are generators? Generators are special functions that can pause and resume execution. They are created using function* and use the yield keyword. Example:

𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗙𝗥𝗘𝗘 𝗢𝗻𝗹𝗶𝗻𝗲 𝗠𝗮𝘀𝘁𝗲𝗿𝗰𝗹𝗮𝘀𝘀 😍 💫Kickstart Your Data Science Career 💫Join this Masterclass for an expert-led session on Data Science Eligibility :- Students ,Freshers & Working Professionals 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘 👇:- https://pdlink.in/4xOh5jA (Only few slots left ) Date & Time :- 21st August 2026 & 7PM