Incorrect js library processes data. Reasons?

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Hello everyone)
I ran into such a problem, I get a list of the user's audio through the audio.get method, I insert the resulting values ​​​​into the playlist of the audio.js library, but when I try to play the audio, it does not play, but if I take and copy the entire output html and put it into the playlist, then everything works, what's the trouble, maybe someone came across a similar example of the site on which I'm doing steamse.ru/demo/1/