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Coding Challenges 🚀
Practice coding and test your skills.
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50 challenges
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Easy
Medium
1. Hello World
Print Hello World using JavaScript
Easy
2. Add Two Numbers
Calculate 5 + 7 using JavaScript
Easy
3. Multiply Two Numbers
Calculate 6 × 8 using JavaScript
Easy
4. Even or Odd
Check whether 10 is even or odd
Easy
5. Positive or Negative
Check whether -7 is positive or negative
Easy
6. Larger Number
Find the larger number between 15 and 9
Easy
7. Divisible by 5
Check whether 25 is divisible by 5
Easy
8. Count Down
Print numbers from 5 down to 1
Easy
9. Sum of Two Variables
Add two variables and print the result
Easy
10. Even Numbers
Print even numbers from 2 to 10
Easy
11. Count Positive Numbers
Count the positive numbers in an array
Medium
12. Find the Largest Number
Find the largest number in an array
Medium
13. Count Even Numbers
Count how many even numbers are in an array
Medium
14. Find the Smallest Number
Find the smallest number in an array
Medium
15. Sum of Even Numbers
Calculate the sum of all even numbers in an array
Medium
16. Reverse a String
Reverse the characters of a string.
Medium
17. Count Vowels
Count the number of vowels in a string.
Medium
18. Find Largest Number
Find the largest number in an array.
Medium
19. Find Smallest Number
Find the smallest number in an array.
Medium
20. Count Even Numbers
Count how many even numbers are in an array.
Medium
21. Count Odd Numbers
Count how many odd numbers are in an array.
Medium
22. Sum Array Numbers
Calculate the sum of all numbers in an array.
Medium
23. Find Average
Calculate the average of numbers in an array.
Medium
24. Count Positive Numbers
Count how many positive numbers are in an array.
Medium
25. Count Negative Numbers
Count how many negative numbers are in an array.
Medium
26. Sum Positive Numbers
Calculate the sum of all positive numbers in an array.
Medium
27. Sum Negative Numbers
Calculate the sum of all negative numbers in an array.
Medium
28. Find Maximum Positive Number
Find the largest positive number in an array.
Medium
29. Find Minimum Positive Number
Find the smallest positive number in an array.
Medium
30. Sum Even Numbers
Calculate the sum of all even numbers in an array.
Medium
31. Find Largest Even Number
Find the largest even number in an array.
Medium
32. Find Smallest Even Number
Find the smallest even number in an array.
Medium
33. Count Numbers Greater Than 5
Count how many numbers are greater than 5.
Medium
34. Count Numbers Less Than 5
Count how many numbers are less than 5.
Medium
35. Count Numbers Greater Than 10
Count how many numbers are greater than 10.
Medium
36. Sum Numbers Greater Than 5
Calculate the sum of all numbers greater than 5.
Medium
37. Sum Numbers Less Than 5
Calculate the sum of all numbers less than 5.
Medium
38. Count Even Numbers Greater Than 5
Count how many even numbers are greater than 5.
Medium
39. Count Odd Numbers Greater Than 5
Count how many odd numbers are greater than 5.
Medium
40. Find Largest Number Greater Than 5
Find the largest number greater than 5.
Medium
41. Find Smallest Number Greater Than 5
Find the smallest number greater than 5.
Medium
42. Find Largest Odd Number Greater Than 5
Find the largest odd number greater than 5.
Medium
43. Find Smallest Even Number Greater Than 5
Find the smallest even number greater than 5.
Medium
44. Find Largest Even Number Greater Than 5
Find the largest even number greater than 5.
Medium
45. Count Even Numbers Greater Than 10
Count how many even numbers are greater than 10.
Medium
46. Count Odd Numbers Greater Than 10
Count how many odd numbers are greater than 10.
Medium
47. Count Even Numbers Greater Than 15
Count how many even numbers are greater than 15.
Medium
48. Count Odd Numbers Greater Than 15
Count how many odd numbers are greater than 15.
Medium
49. Find Largest Even Number Greater Than 15
Find the largest even number greater than 15.
Medium
50. Find Smallest Odd Number Greater Than 15
Find the smallest odd number greater than 15.
Medium