y.addEventListener('click', function () {
        destroyAndCreate().then(()=>{

        })
    })

    function checkSupport() {
        return window.MediaSource && window.MediaSource.isTypeSupported('video/mp4; codecs="hev1.1.6.L123.b0"');
    }

    let support = document.getElementById('mseSupport');
    let notSupport = document.getElementById('mseNotSupport');
    if (checkSupport()) {
        support.style.display = 'inline-block'
    } else {
        notSupport.style.display = 'inline-block'
    }
