Why is the video picture and audio content not showing

Question

After writing the code i previewed it on my browser but the video picture and audio content weren't showing

Answer 1

Because your video path is not complete. Means you have video but what is the actual location of that video. If you will not mention full path then how system will understand that where your video exists.

Answer 2

[Tutorial] Upload content from your device to CodePlayground - The Dropbox way
https://code.sololearn.com/WW6t4B73kJVz/?ref=app

Answer 3

I'll adjust it