appendChild.js

var urls = ["url1","url2","url3"]
var strs = ["one", "two","three"]

var ul = document.getElementById("ul"); // <ul></ul>
for (var i = 0; i <= 2; i++){
	var a = document.createElement("a"); // <a></a>
	a.href = urls[i] // <a href = urls[i]></a>
	a.target = "blank"; // <a href = urls[i] target = "blank"></a>
	a.innerHTML = strs[i]; // <a href = urls[i] target = "blank">strs[i]</a>

	var li = document.createElement("li"); // <li></li>
	li.appendChild(a); // <li><a href = urls[i] target = "blank">strs[i]</a></li>
	ul.appendChild(li); // <ul><a href = urls[i] target = "blank">strs[i]</a></ul>
}