Please submit your pull request in contributor'pull request folder. If you have a problem while fixing issue, you can check the solution folder. This project is about pratice coding.
If you don't know how to contribute issue:
Step 1: Fork my repository.
Step 2: Clone my reposity into your machine.
Step 3: Write a program using your code editor then save. (Your file name must be <your name - issue title>. Example Sodaney - Create calculator.)
Step 4: Add or copy your file into JS Issue - (Contributors' pull request) folder.
Step 5: Add your changed.
Step 6: Commit your changed.
Hope you enjoy coding.