?? ?? JavaScript ?? ???? ??? ????.

?? ?? ??:

1. ?? ??(?? ?? ??)

• push(), pop(), Shift(), unshift(), reverse(), sort(), splice(), fill()

2. ???? ?? ??(? ??/? ??)

• map(), filter(), concat(), Slice(), toReversed(), toSorted(), toSpliced()

3. ????

• indexOf(), include(), find(), findIndex(), findLast(), findLastIndex()

4. ?? ??

• forEach(), map(), filter(), Reduce(), Every(), some()

5. ?? ?? ??

• Array.from(), Array.of(), Array.fromAsync()

6. ?? ???? ??

• join(), flat(), flatMap(), ??(), ?(), with()

?? 31?? ??? ?:

1. concat() - ? ? ??? ??? ?????.

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

2. Join() - ?? ???? ???? ?????.

const fruits = ['Apple', 'Banana', 'Orange'];
console.log(fruits.join(', ')); // Output: "Apple, Banana, Orange"

3. fill() - ?? ??? ?? ??? ????.

const numbers = [1, 2, 3, 4];
console.log(numbers.fill(0)); // Output: [0, 0, 0, 0]

4. include() - ??? ?? ??? ???? ??? ?????.

const colors = ['red', 'blue', 'green'];
console.log(colors.includes('blue')); // Output: true

5. indexOf() - ??? ? ?? ???? ????.

const numbers2 = [1, 2, 3, 2];
console.log(numbers2.indexOf(2)); // Output: 1

6. reverse() - ?? ??? ??? ????.

const letters = ['a', 'b', 'c'];
console.log(letters.reverse()); // Output: ['c', 'b', 'a']

7. sort() - ?? ??? ?????.

const unsorted = [3, 1, 4, 1, 5];
console.log(unsorted.sort()); // Output: [1, 1, 3, 4, 5]

8. splice() - ???? ??? ??/?????.

const months = ['Jan', 'March', 'April'];
months.splice(1, 0, 'Feb');
console.log(months); // Output: ['Jan', 'Feb', 'March', 'April']

9. at() - ??? ???? ??? ?????.

const array1 = [5, 12, 8, 130, 44];
console.log(array1.at(2)); // Output: 8

10. copyWithin() - ?? ??? ?? ??? ?????.

const array2 = ['a', 'b', 'c', 'd', 'e'];
console.log(array2.copyWithin(0, 3, 4)); // Output: ['d', 'b', 'c', 'd', 'e']

11. flat() - ?? ?? ??? ??? ? ??? ????.

const arr3 = [1, 2, [3, 4, [5, 6]]];
console.log(arr3.flat(2)); // Output: [1, 2, 3, 4, 5, 6]

12. Array.from() - ?? ?? ???? ??? ?????.

console.log(Array.from('hello')); // Output: ['h', 'e', 'l', 'l', 'o']

13. findLastIndex() - ??? ???? ??? ???? ?????.

const numbers3 = [5, 12, 8, 130, 44, 8];
console.log(numbers3.findLastIndex(num => num === 8)); // Output: 5

14. forEach() - ? ?? ??? ?? ??? ?????.

const numbers4 = [1, 2, 3];
numbers4.forEach(num => console.log(num * 2)); // Output: 2, 4, 6

15. Every() - ?? ??? ??? ????? ??????.

const numbers5 = [1, 2, 3, 4, 5];
console.log(numbers5.every(num => num > 0)); // Output: true

16. ??() - ?/? ?? ?? ?? ???? ?????.

const fruits2 = ['Apple', 'Banana'];
const iterator = fruits2.entries();
console.log([...iterator]); // Output: [[0, 'Apple'], [1, 'Banana']]

17. ?() - ?? ??? ?? ???? ?????.

const fruits3 = ['Apple', 'Banana'];
const values = [...fruits3.values()];
console.log(values); // Output: ['Apple', 'Banana']

18. toReversed() - ??? ??? ??? ?????.

const arr4 = [1, 2, 3];
console.log(arr4.toReversed()); // Output: [3, 2, 1]
console.log(arr4); // Original array unchanged: [1, 2, 3]

19. toSorted() - ??? ??? ??? ?????.

const arr5 = [3, 1, 2];
console.log(arr5.toSorted()); // Output: [1, 2, 3]
console.log(arr5); // Original array unchanged: [3, 1, 2]

20. toSpliced() - ????? ???? ? ??? ?????.

const arr6 = [1, 2, 3];
console.log(arr6.toSpliced(1, 1, 'two')); // Output: [1, 'two', 3]
console.log(arr6); // Original array unchanged: [1, 2, 3]

21. with() - ??? ??? ? ??? ?????.

const arr7 = [1, 2, 3];
console.log(arr7.with(1, 'two')); // Output: [1, 'two', 3]
console.log(arr7); // Original array unchanged: [1, 2, 3]

22. Array.fromAsync() - ??? ?? ???? ??? ?????.

async function* asyncGenerator() {
  yield 1;
  yield 2;
}
Array.fromAsync(asyncGenerator()).then(array => console.log(array)); // Output: [1, 2]

23. Array.of() - ????? ??? ?????.

console.log(Array.of(1, 2, 3)); // Output: [1, 2, 3]

24. map() - ?? ??? ? ??? ?????.

const numbers6 = [1, 2, 3];
console.log(numbers6.map(x => x * 2)); // Output: [2, 4, 6]

25. flatMap() - ??? ???? ??????.

const arr8 = [1, 2, 3];
console.log(arr8.flatMap(x => [x, x * 2])); // Output: [1, 2, 2, 4, 3, 6]

26. Reduce() - ??? ?? ??? ????(???? ?????)

const numbers7 = [1, 2, 3, 4];
console.log(numbers7.reduce((acc, curr) => acc + curr, 0)); // Output: 10

27. ReduceRight() - ??? ?? ??? ????(????? ????)

const numbers8 = [1, 2, 3, 4];
console.log(numbers8.reduceRight((acc, curr) => acc + curr, 0)); // Output: 10

28. some() - ??? ??? ??? ??? ????? ??????.

const numbers9 = [1, 2, 3, 4, 5];
console.log(numbers9.some(num => num > 4)); // Output: true

29. find() - ??? ??? ? ?? ??? ?????.

const numbers10 = [5, 12, 8, 130, 44];
console.log(numbers10.find(num => num > 10)); // Output: 12

30. findIndex() - ??? ??? ? ?? ???? ?????.

const numbers11 = [5, 12, 8, 130, 44];
console.log(numbers11.findIndex(num => num > 10)); // Output: 1

31. findLast() - ??? ??? ??? ??? ?????.

const numbers12 = [5, 12, 8, 130, 44];
console.log(numbers12.findLast(num => num > 10)); // Output: 44

?? ??:

• ? ???? ??, ??, ?? ?? ?? ?? ?? ??? ????.
• sort() ? reverse()? ?? ?? ???? ?? ??? ?????.
• map() ? filter()? ?? ?? ???? ? ??? ?????.
• toSorted() ? toReversed()? ?? ?? ?? ???? ?? ??? ???? ?? ???? ? ??? ?????.

? LinkedIn?? ?? ?????:

?? JavaScript, Node.js, React, Next.js, ????? ?????, ??? ??, ???? ?? ?? ???? ????? ?????. ?? ????, ???, ??? ???!

???: ??? ???

? ??? JavaScript ?? ??? ??: ?? ???(???)? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!