log messages to page maintaining whitespace formatting

log.js

var log = (function() {
	function qs(selector, scope) {
		return (scope || document).querySelector(selector);
	}

	var log = qs('#log');

	return function(msg) {
		var p = document.createElement('p');
		p.style.whiteSpace = 'pre';
		p.textContent = msg;
		(log || document.body).appendChild(p);
	};
})();