[Nexus]

(function show() {
    const img = document.createElement('img');
    img.src = '1.jpg';
    img.style.cssText = 'position:fixed;top:300px;left:400px;';
    document.body.appendChild(img);

    setTimeout(function() {
        document.body.removeChild(img);
        setTimeout(show, 1e4);
    }, 2e3);
})();