Repeat certain element in HTML.

repeat.js

/*
Usage:
	<script src="repeat.js"></script>
Example:
	<ul>
		<li repeat="3">Hello World!</li>
	</ul>
	will produce:
	<ul>
		<li repeat="3">Hello World!</li>
		<li repeat="3">Hello World!</li>
		<li repeat="3">Hello World!</li>
	</ul>
*/
document.addEventListener('DOMContentLoaded', function() {
	Array.prototype.forEach.call(document.querySelectorAll('*[repeat]'), function(node) {
		var n = parseInt(node.getAttribute('repeat')) - 1;
		for(var i = 0; i < n; i++) {
			if(node.parentNode.lastChild == node) {
				node.parentNode.appendChild(node.cloneNode(true));
			} else {
				node.parentNode.insertBefore(node.cloneNode(true), node.nextSibling);
			}
		}
	});
}, false);