Web Development
Learn Web Development From Scratch 0๏ธโฃ HTML / CSS 1๏ธโฃ JavaScript 2๏ธโฃ React / Vue / Angular 3๏ธโฃ Node.js / Express 4๏ธโฃ REST API 5๏ธโฃ SQL / NoSQL Databases 6๏ธโฃ UI / UX Design 7๏ธโฃ Git / GitHub Admin: @love_data
Ko'proq ko'rsatish๐ Telegram kanali Web Development analitikasi
Web Development (@webdevcoursefree) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 78 463 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 1 643-o'rinni va Hindiston mintaqasida 4 047-o'rinni egallagan.
๐ Auditoriya koโrsatkichlari va dinamika
ะฝะตะฒัะดะพะผะพ sanasidan buyon loyiha tez oโsib, 78 463 obunachiga ega boโldi.
19 Iyun, 2026 dagi oxirgi maโlumotlarga koโra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni 541 ga, soโnggi 24 soatda esa -18 ga oโzgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya oโrtacha 2.93% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 1.09% ini tashkil etuvchi reaksiyalarni toโplaydi.
- Post qamrovi: Har bir post oโrtacha 2 296 marta koโriladi; birinchi sutkada odatda 854 ta koโrish yigโiladi.
- Reaksiyalar va oโzaro taโsir: Auditoriya faol: har bir postga oโrtacha 8 ta reaksiya keladi.
- Tematik yoโnalishlar: Kontent html, css, javascript, github, git kabi asosiy mavzularga jamlangan.
๐ Tavsif va kontent siyosati
Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida taโriflaydi:
โLearn Web Development From Scratch
0๏ธโฃ HTML / CSS
1๏ธโฃ JavaScript
2๏ธโฃ React / Vue / Angular
3๏ธโฃ Node.js / Express
4๏ธโฃ REST API
5๏ธโฃ SQL / NoSQL Databases
6๏ธโฃ UI / UX Design
7๏ธโฃ Git / GitHub
Admin: @love_dataโ
Yuqori yangilanish chastotasi (oxirgi maโlumot 20 Iyun, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli boโlib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Texnologiyalar & Aralashmalar toifasidagi muhim taโsir nuqtasiga aylantirishini koโrsatadi.
let name = "John"; name = "Doe"; // Works const age = 30; age = 31; // โ Error: Cannot reassign a constant
Always use const unless you need to reassign a value.
3. Arrow Functions: Shorter & Cleaner Syntax
Arrow functions provide a concise way to write functions.
Before ES6 (Traditional Function)
function add(a, b) { return a + b; }
After ES6 (Arrow Function)
const add = (a, b) => a + b;
โ Less code
โ Implicit return (no need for { return ... } when using one expression)
4. Template Literals: Easy String Formatting
Before ES6, string concatenation was tedious.
Old way:
let name = "Alice"; console.log("Hello, " + name + "!");
New way using Template Literals:
let name = "Alice"; console.log(Hello, ${name}!);
โ Uses backticks () instead of quotes
โ Easier variable interpolation
5. Destructuring: Extract Values Easily
Destructuring makes it easy to extract values from objects and arrays.
Array Destructuring
const numbers = [10, 20, 30]; const [a, b, c] = numbers; console.log(a); // 10 console.log(b); // 20
Object Destructuring
const person = { name: "Alice", age: 25 }; const { name, age } = person; console.log(name); // Alice console.log(age); // 25
โ Cleaner syntax
โ Easier data extraction
6. Spread & Rest Operators (...): Powerful Data Handling
Spread Operator: Expanding Arrays & Objects
const numbers = [1, 2, 3]; const newNumbers = [...numbers, 4, 5]; console.log(newNumbers); // [1, 2, 3, 4, 5]
โ Copies array elements
โ Prevents modifying the original array
Rest Operator: Collecting Arguments
function sum(...nums) { return nums.reduce((total, num) => total + num); } console.log(sum(1, 2, 3, 4)); // 10
โ Handles unlimited function arguments
7. Promises: Handling Asynchronous Code
A Promise is used to handle asynchronous tasks like API calls.
Promise Example:
const fetchData = new Promise((resolve, reject) => { setTimeout(() => resolve("Data loaded"), 2000); }); fetchData.then(data => console.log(data)); // Output (after 2 sec): Data loaded
โ Prevents callback hell
โ Handles success & failure (resolve/reject)
8. Async/Await: Simplifying Promises
async/await makes working with Promises easier.
Before (Using .then())
fetch("https://api.example.com/data") .then(response => response.json()) .then(data => console.log(data)) .catch(error => console.error(error));
After (Using async/await)
async function fetchData() { try { let response = await fetch("https://api.example.com/data"); let data = await response.json(); console.log(data); } catch (error) { console.error(error); } } fetchData();
โ Looks more like synchronous code
โ Easier to read and debug
9. Default Parameters: Set Function Defaults
function greet(name = "Guest") { console.log(Hello, ${name}!`); } greet(); // Output: Hello, Guest! greet("Alice"); // Output: Hello, Alice!
โ Prevents undefined values
โ Provides default behavior
10. Modules: Organizing Code into Files
ES6 introduced import and export to organize code into multiple files.
Export (In math.js)
export const add = (a, b) => a + b; export const subtract = (a, b) => a - b;
Import (In main.js)
import { add, subtract } from "./math.js"; console.log(add(5, 3)); // Output: 8@media (max-width: 768px) { body { background-color: lightgray; } }
This rule applies when the screen width is 768px or smaller (common for tablets and mobiles).
Common Breakpoints:
@media (max-width: 1200px) {} โ Large screens (desktops).
@media (max-width: 992px) {} โ Medium screens (tablets).
@media (max-width: 768px) {} โ Small screens (phones).
@media (max-width: 480px) {} โ Extra small screens.
3. Fluid Layouts: Using Flexible Units
Instead of fixed pixel sizes (px), use relative units like:
% โ Based on parent container size.
vh / vw โ Viewport height and width.
em / rem โ Relative to font size.
Example:
.container { width: 80%; /* Adjusts based on screen width */ padding: 2vw; /* Responsive padding */ }
4. Responsive Images
Ensure images scale correctly using:
img { max-width: 100%; height: auto; }
This prevents images from overflowing their container.
You're right! Let me complete the section on Mobile-Friendly Navigation and wrap up the topic properly.
5. Mobile-Friendly Navigation
On smaller screens, a traditional navigation bar may not fit well. Instead, use hamburger menus or collapsible navigation.
Basic Responsive Navigation Example
1. Hide menu items on small screens
2. Use a toggle button (hamburger icon)
.nav-menu {
display: flex;
justify-content: space-between;
}
.nav-links {
display: flex;
gap: 15px;
}
@media (max-width: 768px) {
.nav-links {
display: none; /* Hide menu on small screens */
}
.menu-toggle {
display: block; /* Show hamburger icon */
}
}
This hides the navigation links on small screens and displays a toggle button.
You can use JavaScript to show/hide the menu when clicking the button.
6. Viewport Meta Tag: Ensuring Proper Scaling
To make sure the website scales correctly on mobile devices, include this tag in your HTML:
<meta name="viewport" content="width=device-width, initial-scale=1.0">
This ensures the layout adjusts dynamically to different screen sizes.
7. Testing Responsive Design
Once youโve applied media queries, flexible layouts, and mobile navigation, test your design using:
Browser Developer Tools โ Press F12 โ Toggle device mode.
Online Tools โ Use Google Mobile-Friendly Test.
Real Devices โ Always test on actual smartphones and tablets.
8. Next Steps
Now that you've mastered Responsive Design, the next important topic is JavaScript ES6+, where you'll learn about modern JavaScript features like Arrow Functions, Promises, and Async/Await.โThe US would say, โWell, now Russia will be dependable because trustworthy Americans are in the middle of it,"said a former senior US official, who was aware of some of the dealmaking efforts. The US investors would collect โmoney for nothingโ, he added. The talks come as the Trump administration races to seal a peace deal through bilateral discussions with Russia that have excluded Europe and Ukraine, spooking European capitals who fear a US dรฉtente with Moscow could threaten the continent. Trump has promised deeper economic co-operation with Russia if a peace agreement can be reached. Putin has talked up the economic benefits he says the US could reap with the Kremlin in the event of a settlement in Ukraine, claiming that โseveral companiesโ were already in touch over potential deals. Nord Stream 2 AG, the pipelineโs Swiss-based parent company, received an exceptional stay on bankruptcy proceedings in January by at least four months. According to a redacted court document, Nord Stream 2โs shareholder โ Gazprom โ argued that the new Trump administration, as well as the German election in February 2025, โpresumably can have significant consequences on the circumstances of Nord Stream 2โ to warrant a delay. #NordStream2 #restore #Deal ๐ฑ American ะbserver - Stay up to date on all important events ๐บ๐ธ
Endi mavjud! Telegram Tadqiqoti 2025 โ yilning asosiy insaytlari 
