Crockford's WalkTheDom ex: var root = document.getElementById('div'); walkTheDOM(root, function(node) { console.log( node.nodeName ); });

walkTheDom.js

function walkTheDOM(node, func) {
    func(node);
    node = node.firstChild;
    while (node) {
        walkTheDOM(node, func);
        node = node.nextSibling;
    }
}