iframe自适应当前页面高度

<style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
</style>

<script type="text/javascript">
$(document).ready(function(){

var iframeHeight = function () {
var _height = $(window).height() - 34;
$('#content').height(_height);
}
window.onresize = iframeHeight;
$(function () {
iframeHeight();
});

});

</script>

<div id="container" style="overflow:hidden;">
<iframe border="0" id="content" src="http://www.17sucai.com/preview/423685/2016-07-13/404/index.html" frameborder="0" height="100%" width="100%"></iframe>
</div>