<iframe id="spkj" src="https://player.bilibili.com/player.html?aid=34573323&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true" width=100%> </iframe>
<script type="text/javascript">  
document.getElementById("spkj").style.height=document.getElementById("spkj").scrollWidth*0.76+"px";
</script>

<iframe id="spkj" src="https://player.bilibili.com/player.html?aid=BV1at411d7QF&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true" width=100%> </iframe>
<script type="text/javascript">  
document.getElementById("spkj").style.height=document.getElementById("spkj").scrollWidth*0.76+"px";
</script>

以下是油管

哈哈哈哈哈哈

油管应该是不行了！