8 Exciting New JavaScript Concepts You Need to Know | Boost Your JS Skills
8 Modern JavaScript Features You MUST Know | Boost Your JS Skills #modernjavascript #js
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In this video, we cover 8 amazing modern JavaScript features that every developer should know. These tools will help you write cleaner, more efficient, and powerful code.
What we cover:
00:00 - Optional Chaining
06:50 - Nullish Coalescing
09:45 - BigInt
12:06 - globalThis
13:45 - matchAll()
16:28 - Promise.allSettled
19:55 - String.prototype.at()
21:47 - Error Cause
Learn how these features can simplify your code and make development faster! Whether you’re a beginner or an experienced developer, these concepts are essential for modern JavaScript.
Most asked javascript coding interview question
1. Program to find longest word in a given sentence ? - • Javascript coding interview question | fin...
2. How to check whether a string is palindrome or not ? - • Palindrome check in Javascript | Check if ...
3. Write a program to remove duplicates from an array ? - • JavaScript Remove Duplicates from an Array...
4. Program to find Reverse of a string without using built-in method ? - • JavaScript: Reverse a String Without Using...
5. Find the max count of consecutive 1’s in an array ? - • JavaScript coding interview: find maximum ...
6. Find the factorial of given number ? - • JavaScript Program to Find the Factorial o...
7. Given 2 arrays that are sorted [0,3,4,31] and [4,6,30]. Merge them and sort [0,3,4,4,6,30,31] ? - • Merge and Sort Two Sorted Arrays in JavaSc...
8. Create a function which will accepts two arrays arr1 and arr2. The function should return true if every value in arr1 has its corresponding value squared in array2. The frequency of values must be same. - • Check if Array Contains Squared Values of ...
9. Given two strings. Find if one string can be formed by rearranging the letters of other string. - • Check if Two Strings Are Anagrams in JavaS...
10. Write logic to get unique objects from below array ?
I/P: [{name: "sai"},{name:"Nang"},{name: "sai"},{name:"Nang"},{name: "111111"}];
O/P: [{name: "sai"},{name:"Nang"}{name: "111111"} - • Remove Duplicate Objects from an Array in ...
11. Write a JavaScript program to find the maximum number in an array. - • Find the Maximum Number in an Array in Jav...
12. Write a JavaScript function that takes an array of numbers and returns a new array with only the even numbers. - • JavaScript: Filter Even Numbers from an Ar...
13. Write a JavaScript function to check if a given number is prime. - • Find prime number javascript: Iterative an...
14. Write a JavaScript program to find the largest element in a nested array.
[[3, 4, 58], [709, 8, 9, [10, 11]], [111, 2]] - • JavaScript: Find the Largest Number in a N...
15. Write a JavaScript function that returns the Fibonacci sequence up to a given number of terms. - • JavaScript: Generate Fibonacci Sequence Ea...
16. Given a string, write a javascript function to count the occurrences of each character in the string. - • JavaScript: Count Character Occurrences in...
17. Write a javascript function that sorts an array of numbers in ascending order. - • JavaScript Tutorial: Sort an Array of Numb...
18. Write a javascript function that sorts an array of numbers in descending order. - • sort array of number in descending order i...
19. Write a javascript function that reverses the order of words in a sentence without using the built-in reverse() method. - • JavaScript: Reverse Words in a Sentence Wi...
20. Implement a javascript function that flattens a nested array into a single-dimensional array.- • 🔥 JavaScript Hack: Flatten Nested Arrays w...
21. Write a function which converts string input into an object - • Convert String to Nested Object in JavaScr...
("a.b.c", "someValue");
{a: {b: {c: "someValue"}}}
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