Create iframe

iframe.js

(function(){
	document.body.innerHTML = '';
	document.head.innerHTML = '';

	var i = document.createElement('iframe');
	i.id='theiframe';
	i.style.width = '100%';
	i.style.height='100%';
	i.src = '?';

	var wrap = document.createElement('div');
	wrap.style.margin = 'auto';
	wrap.style.width = '90vh';
	wrap.style.height = '90vh';
	wrap.style.resize = 'both';
	wrap.style.overflow = 'hidden';

	wrap.appendChild(i);
	document.body.appendChild(wrap);
})();