Strings in JavaScript: interview exercises

Strings in JavaScript: 6 test-checked interview exercises (Capitalize each word, Count the vowels), each beside a worked example, with tests as you go. Free.

1. Capitalize each word
2. Count the vowels
3. Are two strings anagrams?
4. Truncate with an ellipsis
5. Convert to camelCase
6. Run-length encode

Each exercise pairs a worked example with a twin problem to solve in a real editor; the tests run the moment you do. Progress is saved in your browser, and in your account if you sign in.

More JavaScript topics

• Arrays
• Objects
• Functions
• Async
• Practical

All JavaScript exercises · Other languages and frameworks