JavaScript challenge ladder
303 challenges
Pick a challenge, solve it in the browser, keep the points.
Values, conditions, strings, and the array methods you reach for every day.
Easy — 122 challenges
loading…| Challenge | Solved by | Points |
|---|---|---|
| 01Write a greeting function | — | 10 pts |
| 02Validate a passing score | — | 10 pts |
| 03Sum of two numbers | — | 10 pts |
| 04Convert minutes to seconds | — | 10 pts |
| 05Return the next number | — | 10 pts |
| 06Area of a triangle | — | 10 pts |
| 07Convert age to days | — | 10 pts |
| 08Hours to seconds | — | 10 pts |
| 09Is the number zero or less? | — | 10 pts |
| 10Check string length equality | — | 10 pts |
| 11Boolean to string | — | 10 pts |
| 12String to integer | — | 10 pts |
| 13Check even or odd | — | 10 pts |
| 14First element in an array | — | 10 pts |
| 15Last element in an array | — | 10 pts |
| 16Check if an array contains an item | — | 10 pts |
| 17Reverse an array | — | 10 pts |
| 18Find the smallest number | — | 10 pts |
| 19Find the largest number | — | 10 pts |
| 20Concatenate two arrays | — | 10 pts |
| 21Reverse a string | — | 10 pts |
| 22Count a character in a string | — | 10 pts |
| 23Capitalize the first letter | — | 10 pts |
| 24Check for an empty string | — | 10 pts |
| 25Repeat a string | — | 10 pts |
25 of 122 shown