阻止网页加载 - iframe 加载完成后 - 常规

<html>
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />
<title>阻止网页加载 - iframe 加载完成后</title>
<body style="margin:0;padding:0;height:100%" scroll=no>
<iframe id="infrm" name="infrm" marginwidth="0" marginheight="0" width="100%" scrolling=auto src="http://fh.9a18.cn" frameborder="0" height="100%"></iframe>
</body>
</html>
<script>
window.onload = function() {
  var iframe = document.getElementById('infrm');
  iframe.onload = function() {
    document.body.style.overflow = 'hidden'; // 阻止网页滚动
  }
}
</script>