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 ? - ua-cam.com/video/liP_uWXE1C0/v-deo.html
2. How to check whether a string is palindrome or not ? - ua-cam.com/video/ZIiMBCV_Y2U/v-deo.html
3. Write a program to remove duplicates from an array ? - ua-cam.com/video/0UaehNpXXEU/v-deo.html
4. Program to find Reverse of a string without using built-in method ? - ua-cam.com/video/kXQKpfub2t4/v-deo.html
5. Find the max count of consecutive 1’s in an array ? - ua-cam.com/video/2tMd4q3358k/v-deo.html
6. Find the factorial of given number ? - ua-cam.com/video/1BNCUfuXrU4/v-deo.html
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] ? - ua-cam.com/video/w-xMQahbwh0/v-deo.html
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. - ua-cam.com/video/4yynKZGId-M/v-deo.html
9. Given two strings. Find if one string can be formed by rearranging the letters of other string. - ua-cam.com/video/_lQTXuXpWSc/v-deo.html
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"} - ua-cam.com/video/wvBOK723nls/v-deo.html
11. Write a JavaScript program to find the maximum number in an array. - ua-cam.com/video/Zuky5lV_J1Q/v-deo.html
12. Write a JavaScript function that takes an array of numbers and returns a new array with only the even numbers. - ua-cam.com/video/t_TM0TJwkio/v-deo.html
13. Write a JavaScript function to check if a given number is prime. - ua-cam.com/video/SLd7DGa_128/v-deo.html
14. Write a JavaScript program to find the largest element in a nested array.
[[3, 4, 58], [709, 8, 9, [10, 11]], [111, 2]] - ua-cam.com/video/F6_CLhylKV8/v-deo.html
15. Write a JavaScript function that returns the Fibonacci sequence up to a given number of terms. - ua-cam.com/video/aSp0Agyo-Q4/v-deo.html
16. Given a string, write a javascript function to count the occurrences of each character in the string. - ua-cam.com/video/hlLBxz23EKU/v-deo.html
17. Write a javascript function that sorts an array of numbers in ascending order. - ua-cam.com/video/EyHqLJo_Fr4/v-deo.html
18. Write a javascript function that sorts an array of numbers in descending order. - ua-cam.com/video/_IuOAqbYjEI/v-deo.html
19. Write a javascript function that reverses the order of words in a sentence without using the built-in reverse() method. - ua-cam.com/video/k7GqvbLsRQE/v-deo.html
20. Implement a javascript function that flattens a nested array into a single-dimensional array.- ua-cam.com/video/D_nBUhmPek4/v-deo.html
21. Write a function which converts string input into an object - ua-cam.com/video/P9OGWMl-NlQ/v-deo.html
("a.b.c", "someValue");
{a: {b: {c: "someValue"}}}
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