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Aldaviva/youtube-playlist-length.js

Created August 5, 2017 11:40
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YouTube playlist length calculator
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youtube-playlist-length.js
Array.prototype.map.call(document.querySelectorAll(".timestamp span"), function(span){ var minSecStrings = span.firstChild.nodeValue.split(":"); return parseInt(minSecStrings[0], 10)*60+parseInt(minSecStrings[1], 10); }).reduce(function(prev, curr){ return prev + curr; }, 0);
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