Command video with JavaScript

Question

Actually i want to make "command video"( it means when user click the particular button then play the one video which I want to play ) As I made 5 different buttons with 5 different videos along "onclick function"
But here is one problem is created that is this

problem::(whenever I want to play another video then I just click the second button, second video is play but previous video is also playing simultaneously!)

I want to make like this ::
When i click the first button first video play,
When i click the second button then second video is play and first video paused and so on..

Please tell me how can made this !!!

This is my code::
https://code.sololearn.com/W8nZ4wXwkCsI/?ref=app

Answer 1

can you please also attach your code ??

Answer 2

Ok ! I will provide.