IMPORTANT array methods 🫣🤯

Array methods ke baare mein jaanne ke liye aaiye!

# Array Methods

Array methods JavaScript mein array ke saath kaam karne ke liye upyog kiye jate hain. Ye methods array ko manipulate karne, elements ko add aur remove karne, aur array ko iterate karne mein madad karte hain.

# 1. Push()
Push() method array ke ant mein naya element add karta hai.

```
const arr = [1, 2, 3];
arr.push(4);
console.log(arr); // [1, 2, 3, 4]
```

# 2. Pop()
Pop() method array ke ant se element remove karta hai.

```
const arr = [1, 2, 3];
arr.pop();
console.log(arr); // [1, 2]
```

# 3. Shift()
Shift() method array ke shuruaat se element remove karta hai.

```
const arr = [1, 2, 3];
arr.shift();
console.log(arr); // [2, 3]
```

# 4. Unshift()
Unshift() method array ke shuruaat mein naya element add karta hai.

```
const arr = [1, 2, 3];
arr.unshift(0);
console.log(arr); // [0, 1, 2, 3]
```

# 5. Splice()
Splice() method array mein element add aur remove karta hai.

```
const arr = [1, 2, 3];
arr.splice(1, 0, 'a');
console.log(arr); // [1, 'a', 2, 3]
```

# 6. Slice()
Slice() method array se naya array banata hai.

```
const arr = [1, 2, 3];
const newArr = arr.slice(1);
console.log(newArr); // [2, 3]
```

# 7. Concat()
Concat() method do ya adhik arrays ko milata hai.

```
const arr1 = [1, 2];
const arr2 = [3, 4];
const newArr = arr1.concat(arr2);
console.log(newArr); // [1, 2, 3, 4]
```

# 8. IndexOf()
IndexOf() method array mein element ki position return karta hai.

```
const arr = [1, 2, 3];
console.log(arr.indexOf(2)); // 1
```

# 9. Includes()
Includes() method array mein element ki upasthiti return karta hai.

```
const arr = [1, 2, 3];
console.log(arr.includes(2)); // true
```

# 10. Reverse()
Reverse() method array ko reverse karta hai.

```
const arr = [1, 2, 3];
arr.reverse();
console.log(arr); // [3, 2, 1]
```

# 11. Sort()
Sort() method array ko sort karta hai.

```
const arr = [3, 2, 1];
arr.sort();
console.log(arr); // [1, 2, 3]
```

# 12. Map()
Map() method array ke elements ko transform karta hai.

```
const arr = [1, 2, 3];
const newArr = arr.map(x =⟩ x * 2);
console.log(newArr); // [2, 4, 6]
```

# 13. Filter()
Filter() method array ke elements ko filter karta hai.

```
const arr = [1, 2, 3];
const newArr = arr.filter(x =⟩ x ⟩ 1);
console.log(newArr); // [2, 3]
```

# 14. Reduce()
Reduce() method array ke elements ko reduce karta hai.

```
const arr = [1, 2, 3];
const sum = arr.reduce((a, b) =⟩a + b, 0);
console.log(sum); // 6
```

Ye sabhi array methods JavaScript mein array ke saath kaam karne ke liye upyog kiye jate hain.

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