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HTML

              
                <em><strong>Note:</strong> Look in the console.</em>

<div id="app">
	
	<h1 class="title">Hello, world!</h1>

	<p id="subtitle" data-attribute="be friendly">
		<strong style="color: rebeccapurple;">How are you today?</strong>
	</p>

	<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewbox="0 0 800 800" aria-described="title-thumbsup">
		<title id="title-thumbsup">Thumbs Up!</title>
		<path d="M725 450c57.031 0 25 150-25 150 25 0 0 125-50 125 0 50-50 75-100 75-211.212 0-136.925-52.852-350-75V325C388.22 268.541 575 127.012 575 0c41.406 0 150 50 0 300h150c75 0 50 150 0 150zM150 325v400h50v25H100c-27.5 0-50-33.75-50-75V375c0-41.25 22.5-75 50-75h100v25h-50z"/>
	</svg>

	I'm doing pretty good, thanks!
	
</div>
              
            
!

CSS

              
                
              
            
!

JS

              
                /**
 * Create an array of the attributes on an element
 * @param  {NamedNodeMap} attributes The attributes on an element
 * @return {Array}                   The attributes on an element as an array of key/value pairs
 */
var getAttributes = function (attributes) {
	return Array.prototype.map.call(attributes, function (attribute) {
		return {
			att: attribute.name,
			value: attribute.value
		};
	});
};

/**
 * Create a DOM Tree Map for an element
 * @param  {Node}   element The element to map
 * @return {Array}          A DOM tree map
 */
var createDOMMap = function (element) {
	return Array.prototype.map.call(element.childNodes, (function (node) {
		var details = {
			content: node.childNodes && node.childNodes.length > 0 ? null : node.textContent,
			atts: node.nodeType !== 1 ? [] : getAttributes(node.attributes),
			type: node.nodeType === 3 ? 'text' : (node.nodeType === 8 ? 'comment' : node.tagName.toLowerCase()),
			node: node
		};
		return details;
	}));
};

// Get the #app element
var app = document.querySelector('#app');

// Create a map of it's elements
var map = createDOMMap(app);

console.log(map);
              
            
!
999px

Console