Specific to JavaScript:
1. How to reverse a string without using built-in string function
2. Count the no of occurrences of a character in a string
3. String is palindrome or not
4. What are callbacks in JS and why use promise
5. What is async, await in JS
6. How to create a http server in Node
7. How asynchronous works in JS

Question

Specific to JavaScript:
1. How to reverse a string without using built-in string function
2. Count the no of occurrences of a character in  a string
3. String is palindrome or not
4. What are callbacks in JS and why use promise
5. What is async, await in JS
6. How to create a http server in Node
7. How asynchronous works in JS

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