const loaderEl = document.getElementsByClassName('fullpage-loader')[0];
document.addEventListener('readystatechange', (event) => {
    // const readyState = "interactive";
    const readyState = "complete";

    if (document.readyState == readyState) {
        // when document ready add lass to fadeout loader
        loaderEl.classList.add('fullpage-loader--invisible');

        // when loader is invisible remove it from the DOM
        setTimeout(() => {
            loaderEl.parentNode.removeChild(loaderEl);
        }, 2000)
    }
});