javascript string manipulation Interview Questions

https://medium.com/@suraj_jha/how-i-master-string-coding-problems-for-interviews-7571dbf83fd8

1. How do you reverse a given string in place?
2. How do you print duplicate characters from a string?
3. How do you check if a string contains only digits?
4. How do you count a number of vowels and consonants in a given string?
5. How to remove the duplicate character from String?
6. How to find the maximum occurring character in given String?
7. How do you remove a given character from String?
8. How to reverse the words in a given String sentence?
9. How do you convert String to an integer?
10. How do you remove a given character from String?
11. How do you count the number of words in String?
12. Get all unique characters in a string
13. Get all possible substrings in a string.

14. The first char of each word is in capital letters