What exactly does the new version of Douban fm rely on to play sound?

  node.js, question

F12 opened the code and just didn’t find the tag for playing sound and < iframe >. Even if I deleted the code for < body><head >, the JavaScript in the console inside continues to run and can still switch songs automatically. Baidu did not simply use JavaScript to play sound for a while. I hope that friends and great gods who know about it can help to dispel doubts.

Note that this is a new version, not an old one.

-I am the dividing line-
This is an old version of the page. Please see the figure for the link.

New Audio ()’ is all.