JS Closure

gistfile1.js

for (var i = 0; i < 10; i++) {
    var link = document.createElement("a");
    link.innerHTML = "Link " + i;
    link.href = "#";
    link.onclick = (function (num) {
        return function () {
            alert("This is link " + num);
            return false;
        };
    }(i));
    document.body.appendChild(link);
}