새로고침 시 iframe 높이 자동변경 (모바일 반응)

<iframe id="prev_iframe" src='아이프레임주소' onload="prev_iframe_mobile()" frameborder=0 scrolling=no style="overflow-x:hidden; overflow:auto; width:100%; min-height:500px;"></iframe>


function prev_iframe_mobile(){
	 var the_height= document.getElementById('아이프레임ID').contentWindow.document.body.scrollHeight;

	 document.getElementById('prev_iframe').height=the_height;

	 document.getElementById('prev_iframe').style.overflow = "hidden";
	}