小编NIK*_*ARI的帖子

var audio = document.getElementById("aone1");\r\nvar percentages = document.getElementById("aone1l");\r\n\r\nfunction loop() {\r\n  var buffered = audio.buffered;\r\n  var loaded;\r\n  var played;\r\n\r\n  if (buffered.length) {\r\n    loaded = 100 * buffered.end(0) / audio.duration;\r\n    played = 100 * audio.currentTime / audio.duration;\r\n    percentages[0].innerHTML = loaded.toFixed(2);\r\n    percentages[1].innerHTML = played.toFixed(2);\r\n  }\r\n\r\n  setTimeout(loop, 50);\r\n}\r\n\r\nloop();

<audio id="aone1" controls="controls">\r\n   <source src="http://jainvidhya.epizy.com/Audio/Part1/\xe0\xa4\x91\xe0\xa4\xa1\xe0\xa4\xbf\xe0\xa4\xaf\xe0\xa5\x8b \xe0\xa4\xa8\xe0\xa4\x82\xe0\xa4\xac\xe0\xa4\xb0 1 \xe0\xa4\xa8\xe0\xa4\xae\xe0\xa4\xb8\xe0\xa5\x8d\xe0\xa4\x95\xe0\xa4\xbe\xe0\xa4\xb0 \xe0\xa4\xae\xe0\xa4\xb9\xe0\xa4\xbe\xe0\xa4\xae\xe0\xa4\x82\xe0\xa4\xa4\xe0\xa5\x8d\xe0\xa4\xb0.mp4">\r\n</audio>\r\n<p>Loaded: <span id="aone1l"></span>%</p>\r\n<p>Played: <span id="aone1l"></span>%</p>