So, in light of recent events, I was unable to follow up on my Coursera Algorithms course.<\/p>\n
Trying to find a way to download all the lectures at once, I couldn’t find a way that worked for me – I found two, but they simply didn’t work. With the help of some JavaScript that I got from one of these sources, I cooked up the following steps to easily download all the lectures at once:<\/p>\n
Step 1: Extract the lecture names, and their IDs from the Coursera page<\/strong> \n0|43|Course Introduction (9:22) Save this to a file named lectures.txt(exclude any quotes that get pasted)<\/p>\n
\nNavigate to your lecture page(for me, it was https:\/\/class.coursera.org\/algs4partII-003\/lecture).
\nExecute the following JavaScript in the Console(in Chrome, use the Inspect Element option):
\n[code lang=”javascript”]
\nfunction findLectures () {
\n var link_elems = document.querySelectorAll(‘.lecture-link’);
\n var lectures = “”;
\n Array.prototype.slice.call(link_elems).forEach(function (elem, i) {
\n var lecture = i + “|” + elem.getAttribute(‘data-lecture-id’) + “|” + elem.innerText.trim();
\n lectures += lecture + “\\n”;
\n });
\n return lectures;
\n}
\n[\/code]
\nThen call the method findLectures(). This will print each lecture in the following format: Lecture position in page|Lecture ID|Lecture name.
\nExample output:<\/p>\n
\n1|1|Introduction to Graphs (9:32)
\n2|2|Graph API (14:47)
\n…\n<\/p><\/blockquote>\n