<!DOCTYPE html>
<html>
<head>
</head>
<body>
<ul></ul>
<script type="text/JavaScript">
var ul = document.getElementsByTagName("ul")[0];
var docFragment = document.createDocumentFragment();
var browsers = ["Firefox", "Chrome", "Explorer", "Safari", "Opera"];
browsers.forEach(function(br) {
var li = document.createElement("li");
li.textContent = br;
docFragment.appendChild(li);
});
ul.appendChild(docFragment);
/*
run:
Firefox
Chrome
Explorer
Safari
Opera
*/
</script></body>
</html>