<script async type="text/javascript" src="//static.terratraf.com/engine/sniper/adsbyadsn.js"></script>
<!-- baner_300_500 -->
<div class="adsbysniper"
	style="display:inline-block;width:300px;height:500px"
	adsn-data-client="adsn-pub-273000180"
	adsn-data-spot="4737"
	adsn-data-status="none" 
	adsn-data-id="sajbqwqcwkej">
</div>
<script type="text/javascript">
    (adsbysniper = window.adsbysniper || []).push({});
    adsbysniper.onEmptyContent = (e)=>{
        console.log('event',e)
        const li = document.createElement('li');
        li.textContent = 'Отсутствует вставка для блока '+e.s_subid + ' id - '+e.s_id;
        document.getElementById("log").appendChild(li)
    };
</script>