index.js
function createChildren(el, attr) {
	var children = [];
	for (var i = 0; i < el.childNodes.length; i++) {
		children.push(createNode(el.childNodes[i], attr));
	};

	return children;
}
function createChildren(el, attr) {
	var children = [];
	for (var i = 0; i < el.childNodes.length; i++) {
		children.push(createNode(el.childNodes[i], attr));
	};

	return children;
}
function createChildren ( el , attr ) { var children = [ ] ; for ( var i = 0 ; i < el . childNodes . length ; i ++ ) { children . push ( createNode ( el . childNodes [ i ] , attr ) ) ; } ; return children ; }
Recursively create vdom

@param   Object  el    Parent element
@param   String  attr  Attribute name that contains vdom key
@return  Array         Child vnode or vtext
Recursively create vdom