Improving Tumblr's Recommended Twitter Code.html

// Before

<script type="text/javascript">
    function recent_tweets(data) {
        for (i=0; i<data.length; i++) {
            document.getElementById("tweets").innerHTML = 
                document.getElementById("tweets").innerHTML + 
                '<a href="http://twitter.com/{TwitterUsername}/status/' + 
                data[i].id + '"><div class="content">' + data[i].text + 
                '</div></a>';
        }
        document.getElementById("twitter").style.display = 'block';
    }
</script>


// After

<script>
function recent_tweets(data) {
	var frag = document.createDocumentFragment(),
	len = data.length,
	i, li, a;

	for (i = 0; i < len; i++ ) {
	        li = document.createElement('li');
		a = document.createElement('a');

		a.href = 'http://twitter.com/{TwitterUsername}/status/' + data[i].id;
		a.appendChild(document.createTextNode(data[i].text));

		li.appendChild(a);
		frag.appendChild(li);
	}

	document.getElementById("tweets").appendChild(frag);
	document.getElementById("twitter").style.display = 'block';
}
</script>