playlist_as_json.js

if(!window.jQuery||confirm('Overwrite\x20current\x20version?\x20v'+jQuery.fn.jquery))(function(d,s){s=d.createElement('script');s.src='https://code.jquery.com/jquery-latest.js';(d.head||d.documentElement).appendChild(s)})(document);

function song_row_as_json(el) {
	return {
		title: jQuery(jQuery("td[data-col='title'] span", el).contents()[1]).text(),
		duration: jQuery("td[data-col='duration'] span", el).text(),
		artist: jQuery("td[data-col='artist'] span a", el).text(),
		album: jQuery("td[data-col='album'] span a", el).text()
	};
}

function playlist_as_json() {
	var song_rows_selector = '#music-content > div.playlist-view.material-detail-view.g-content.view-transition > div.material-playlist-container.material-container.material-shadow-z1.has-hero-image > table > tbody > tr.song-row';
	var data = [];

	jQuery(song_rows_selector).each(function(i, el) {
		data.push(song_row_as_json(el));
	});

	return JSON.stringify(data);
}