Snippet that reads elapsed time in watched videos in a Youtube playlist

read-youtube-elapsed-time.js

const whatchedVideos = []

document.querySelectorAll('.style-scope.ytd-playlist-video-renderer').forEach(video => {
    const progress = video.querySelector('.style-scope.ytd-thumbnail-overlay-resume-playback-renderer')
    const title = video.querySelector('a#video-title')
    const duration = video.querySelector('#text')

    if(progress === null) return

    const progressAmount = Number(progress.style.width.replace('%', ''))
    
    const durationAmount = duration?.textContent?.trim()

    const isDuplicated = whatchedVideos.some(v => v.title === title?.title)
    
    if(progressAmount > 90 && !isDuplicated && !!title?.title) {
        
        whatchedVideos.push({
            title: title?.title,
            durationAmount: `00:${durationAmount}`
        })        
    }
    
    
})

console.table(whatchedVideos)