html and css آموزش
ادمین : @Maryam3771 تعرفه تبلیغات: https://t.me/alloadv/822
Ko'proq ko'rsatish📈 Telegram kanali html and css آموزش analitikasi
html and css آموزش (@htmlcss_channels) Forsiy til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 21 336 obunachidan iborat bo'lib, Taʼlim toifasida 9 383-o'rinni va Eron mintaqasida 15 671-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 21 336 obunachiga ega bo‘ldi.
03 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni 14 ga, so‘nggi 24 soatda esa -9 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya o‘rtacha 2.08% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 1.77% ini tashkil etuvchi reaksiyalarni to‘playdi.
- Post qamrovi: Har bir post o‘rtacha 444 marta ko‘riladi; birinchi sutkada odatda 378 ta ko‘rish yig‘iladi.
- Reaksiyalar va o‘zaro ta’sir: Auditoriya faol: har bir postga o‘rtacha 1 ta reaksiya keladi.
- Tematik yo‘nalishlar: Kontent css, #javascript, دنیا, وبینار, شغل kabi asosiy mavzularga jamlangan.
📝 Tavsif va kontent siyosati
Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
“ادمین :
@Maryam3771
تعرفه تبلیغات:
https://t.me/alloadv/822”
Yuqori yangilanish chastotasi (oxirgi ma’lumot 04 Iyun, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Taʼlim toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.
for (let i = 0; i < 3; i++) {
console.log(i);
}
forEach() Example
[1, 2, 3].forEach(num => {
console.log(num);
});
Interview Tip:
Use forEach() for readability and for when more control is needed.
40. How do you handle early exits from loops?
Using break
for (let i = 1; i <= 5; i++) {
if (i === 3) {
break;
}
console.log(i);
}
Using return Inside Functions
function test() {
for (let i = 1; i <= 5; i++) {
if (i === 3) {
return;
}
console.log(i);
}
}
test();
Important:
forEach() does not support break directly.
Use:
• for
• for...of
• some()
• every()
for early exits.
Double Tap ❤️ For Part-5let age = 18;
if (age >= 18) {
console.log("Adult");
} else {
console.log("Minor");
}
switch
Used when checking multiple possible values.
let day = 2;
switch(day) {
case 1:
console.log("Monday");
break;
case 2:
console.log("Tuesday");
break;
default:
console.log("Invalid Day");
}
Difference:
if/else - Better for conditions/ranges, Flexible
switch - Better for exact values, Cleaner for many cases
32. What is the difference between for, for...in, and for...of?
for
Traditional loop.
for (let i = 0; i < 3; i++) {
console.log(i);
}
for...in
Used for iterating object keys.
const person = {
name: "Deepak",
age: 25
};
for (let key in person) {
console.log(key);
}
for...of
Used for iterable values like arrays.
const nums = [1, 2, 3];
for (let num of nums) {
console.log(num);
}
Key Difference:
Loop - Best For
for - Full control
for...in - Object properties
for...of - Array values
33. What is the while and do-while loop?
Both loops execute code repeatedly while a condition is true.
while Loop
Condition checked before execution.
let i = 1;
while (i <= 3) {
console.log(i);
i++;
}
do-while Loop
Runs at least once before checking condition.
let i = 1;
do {
console.log(i);
i++;
} while(i <= 3);
Difference:
while - Condition first, May run zero times
do-while - Code first, Runs at least once
34. What is the ternary operator?
The ternary operator is a shorthand for if/else.
Syntax:
condition? trueValue : falseValue
Example:
let age = 20;
let result = age >= 18 ? "Adult" : "Minor";
console.log(result);
Benefits:
• Shorter code
• Cleaner simple conditions
35. What is short-circuit evaluation?
JavaScript stops evaluating expressions as soon as the result is known.
Using &&
Returns first falsy value.
console.log(false && "Hello");
Output:
false
Using ||
Returns first truthy value.
console.log("" || "Default");
Output:
Default
Practical Example:
let username = "";
let displayName = username || "Guest";
console.log(displayName);
36. What is the difference between break and continue?
Keyword - Purpose
break - Stops the loop completely
continue - Skips current iteration
break Example
for (let i = 1; i <= 5; i++) {
if (i === 3) {
break;
}
console.log(i);
}
Output:
1
2
continue Example
for (let i = 1; i <= 5; i++) {
if (i === 3) {
continue;
}
console.log(i);
}
Output:
1
2
4
5
37. How do you iterate over an array or object?
Array Iteration
Using forEach()
const nums = [1, 2, 3];
nums.forEach(num => {
console.log(num);
});
Object Iteration
Using for...in
const person = {
name: "Deepak",
age: 25
};
for (let key in person) {
console.log(key, person[key]);
}
Using Object.keys()
Object.keys(person).forEach(key => {
console.log(key);
});
38. How do you implement recursion?
Recursion is when a function calls itself until a stopping condition is met.
Example: Factorial
function factorial(n) {
if (n === 1) {
return 1;
}
return n * factorial(n - 1);
}
console.log(factorial(5));
Output:
120
Important Parts:
1. Base condition
2. Recursive call
Without a base condition → infinite recursion.for (let i = 0; i < 3; i++) {
console.log(i);
}
forEach() Example
[1, 2, 3].forEach(num => {
console.log(num);
});
Interview Tip:
Use forEach() for readability and for when more control is needed.
32. How do you handle early exits from loops?
Using break
for (let i = 1; i <= 5; i++) {
if (i === 3) {
break;
}
console.log(i);
}
Using return Inside Functions
function test() {
for (let i = 1; i <= 5; i++) {
if (i === 3) {
return;
}
console.log(i);
}
}
test();
Important:
forEach() does not support break directly.
Use:
• for
• for...of
• some()
• every()
for early exits.
Double Tap ❤️ For Part-5
💎 @Htmlcss_channels | #css #JavaScript #HTML #interview⚠️ ظرفیت: محـدود🌐 پیشثبتنام رایگان: 🔗 https://l.hamrah.academy/4wh ⭐️ @Hamrah_Academy | آکادمی همراه اول
let a = 5, b = 10;
[a, b] = [b, a];
console.log(a, b); // Output: 10 5
🔍 Q2. Find the largest number in an array.
✅ Answer:
let numbers = [3, 7, 2, 9, 5];
let max = Math.max(...numbers);
console.log(max); // Output: 9
🔍 Q3. Check if a number is prime.
✅ Answer:
function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i <= Math.sqrt(n); i++) {
if (n % i === 0) return false;
}
return true;
}
console.log(isPrime(7)); // Output: true
🔍 Q4. Count vowels in a string.
✅ Answer:
function countVowels(str) {
return str.match(/[aeiou]/gi)?.length || 0;
}
console.log(countVowels("Hello World")); // Output: 3
🔍 Q5. Convert first letter of each word to uppercase.
✅ Answer:
let sentence = "hello world";
let titleCase = sentence.split(" ").map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(" ");
console.log(titleCase); // Output: Hello World
💬 Tap ❤️ for Part 3!
💎 @Htmlcss_channels | #css #JavaScript #HTML #interviewlet num = 10;
if (num % 2 === 0) {
console.log("Even");
} else {
console.log("Odd");
}
🔍 Q2. How do you reverse a string?
✅ Answer:
let text = "hello";
let reversedText = text.split("").reverse().join("");
console.log(reversedText); // Output: olleh
🔍 Q3. Write a function to find the factorial of a number.
✅ Answer:
function factorial(n) {
let result = 1;
for (let i = 1; i <= n; i++) {
result *= i;
}
return result;
}
console.log(factorial(5)); // Output: 120
🔍 Q4. How do you remove duplicates from an array?
✅ Answer:
let items = [1, 2, 2, 3, 4, 4];
let uniqueItems = [...new Set(items)];
console.log(uniqueItems);
🔍 Q5. Print numbers from 1 to 10 using a loop.
✅ Answer:
for (let i = 1; i <= 10; i++) {
console.log(i);
}
🔍 Q6. Check if a word is a palindrome.
✅ Answer:
let word = "madam";
let reversed = word.split("").reverse().join("");
if (word === reversed) {
console.log("Palindrome");
} else {
console.log("Not a palindrome");
}
💬 Tap ❤️ for more!
💎 @Htmlcss_channels | #css #JavaScript #HTML #interviewconst user = { name: "Alice", age: 25 };
🔹 2. How do you access object properties?
Using dot or bracket notation:
user.name // "Alice"
user["age"] // 25
🔹 3. How can you loop through an object?
Use for...in or Object.keys()/Object.entries():
for (let key in user) { console.log(key, user[key]); }
🔹 4. Difference between Object.freeze() and Object.seal()?
⦁ freeze() prevents any change (no adding, deleting, or modifying properties).
⦁ seal() allows value changes, but not adding/removing keys.
🔹 5. How do you clone an object?
const clone = {...user };
// or
const copy = Object.assign({}, user);
🔹 6. What is this inside an object?
this refers to the object itself in method context.
const person = {
name: "Bob",
greet() { return `Hi, I’m ${this.name}`; }
};
🔹 7. How do prototypes relate to objects?
Every JS object has a hidden [[Prototype]]. It lets objects inherit properties from others.
🔹 8. What is a constructor function?
A function used to create multiple similar objects:
function User(name) {
this.name = name;
}
const u = new User("Tom");
🔹 9. What's the difference between Object.create() and new keyword?
⦁ Object.create(proto) creates an object with the given prototype.
⦁ new invokes a constructor function to initialize objects.
🔹 10. How do you check if a property exists in an object?
"name" in user // true
user.hasOwnProperty("age") // true
💬 Tap ❤️ for more!
💎 @Htmlcss_channels | #css #JavaScript #HTML #interview
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