微信隐藏下导航栏

代码：
$(‘#Zl’).html(‘<iframe width=”100%” id=”rid” src=”<?php echo $ff[“url”];?>” frameborder=”0″></iframe>’);
$(document).ready(function () {
function fix_height() { $(“#rid”).attr(“height”, (($(window).height()) – 5) + “px”); }
$(window).resize(function () { fix_height(); }).resize()
});