Clean the youtube Watch Later playlist by removing the videos you have watched!

CleanWL.js

var WList = document.querySelector("#contents").querySelector("#contents").querySelector("#contents").children
console.log(WList.length)
function sleep(ms) {return new Promise(resolve => setTimeout(resolve, ms));}
console.log("Starting...")
removed = [];
async function clean() {
    for (let i = 0; i < WList.length; i++) {
        const vid = WList[i];
        var prog = vid.children[1].querySelector("#container #thumbnail #thumbnail #overlays #progress");
        if (prog != null) {
            if (Number(prog.style.width.slice(0, -1)) >= 90) {
                console.log("watched");
                removed.push(vid.children[1].querySelector("#container #thumbnail #thumbnail").href);
                vid.children[2].querySelector("#button #button").click();
                await sleep(500)
                document.querySelector("ytd-popup-container #contentWrapper #items").children[2].click();
                await sleep(500)
                i = i - 1
            }
        }
    }
    console.log(removed)
    console.log("done!")
}
clean()

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