<!DOCTYPE html>
<html lang="ru">
<head>
<title></title>
<script src="jquery.min.js"></script>
<script>
window.onload = function() {
var scr_w = window.outerWidth;
$('.box').innerWidth(scr_w);
};
window.addEventListener('resize', function() {
var scr_w = window.outerWidth;
$('.box').innerWidth(scr_w);
});
</script>
<style>
html,
body {
width: 100%;
height: 100%;
}
body {
margin: 0;
}
iframe {
position: absolute;
width: 100%;
height: 100%;
min-width: 0;
}
.box {
position: relative;
height: 900px;
}
</style>
</head>
<body>
<div class="box">
<iframe id="fileUploadIframe" src="http://www.galiy-web.ru" frameborder="no"></iframe>
</div>
</body>
</html>
var iframe = document.getElementById('fileUploadIframe');
iframe.width = iframe.contentWindow.document.body.scrollWidh + "px";
iframe.height = iframe.contentWindow.document.body.scrollHeight + "px";
Простой