{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.manongdao.com/data/attach/logo/logo.png', '推荐 孤傲高冷的网名 的问题《Cross browser way of setting IFrame to “about:blan》','https://www.manongdao.com/q-385040.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
Does anybody know a proper, cross-browser way to "empty" an IFrame? Is "about:blank" recognized without error across all browsers? Is it valid to give an IFrame an empty src?
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How about
or
This should work fine with IE and Firefox