Why does audio.buffered.end(0) get an error message when I try to get buffered time

Question

I\'m building mp3 playlist player with HTML5 and jQuery. At this player there is a horizontal bar grow gradually in conjunction with the buffered present of mp3 file.

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Answer 1

This error occurs when the audio element is not loaded yet, so there are no time ranges for the code to find so it returns an error.