new Promise(resolve => {
    var offset = -100;
    let pageScroll = () => {
        window.scrollBy(0, 50);
        if (window.pageYOffset === offset) {
            return resolve(true);
        }

        offset = window.pageYOffset;
        setTimeout(pageScroll, 50);
    };

    pageScroll();
}).then(() => {
    let n = document.querySelectorAll('.audio_item.ai_has_btn.audio_item');

    n.forEach(e => {
        let a = e.getAttribute('data-id');
        window.audioplayer.del(a, event);
    });

    location.reload(true);
});