I don’t know if you have opened the github.com website, or if you have created a project. It has been specified on the website that git is used. You can also guess from the name that it is github, not svnhub, nor merhub. I don't know where your doubts come from.
BitBucket mentioned in the main text is not on the topic, so I won't answer it.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
I don’t know if you have opened the github.com website, or if you have created a project. It has been specified on the website that git is used. You can also guess from the name that it is github, not svnhub, nor merhub. I don't know where your doubts come from.
BitBucket mentioned in the main text is not on the topic, so I won't answer it.
Both are supported. You can choose which one when building a project. Both protocols do not support the same project.
BitBucket supports both, github only supports git.