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count-youtube-views.js

// Visit https://www.youtube.com/user/{username}/videos
// Keep scrolling down to trigger loading of all videos so they are all visible
// Run this to get the user's combined view count

function countViews() {
  return Array.from(document.querySelectorAll('.yt-lockup-meta-info li'))
    .map(li => li.textContent)
    .filter(text => text.includes('views'))
    .map(text => text.replace(',', '').replace(' views', ''))
    .map(num => parseInt(num))
    .reduce((a, b) => a + b);
}

countViews();