What's wrong with appending circle to svg?

Question

Why circle isn't appended to svg?
Please help
https://code.sololearn.com/W2H6oFyuF4kl

Answer 1

The circle exists. It's just hidden because it has an ending tag.
Use this to create new element.
var circ = document.createElementNS("http://www.w3.org/2000/svg", 'circle');

Answer 2

Thanks very much!

Answer 3

It helped me to make this:
https://code.sololearn.com/W5ww62HoKdQ7/?ref=app

Answer 4

Wow you're fast. I like it