Approach to run IE specific code when you can not edit HTML code on page directly.

lt_ie_8.js

var lt_ie_8 = function () {
    var div = document.createElement("div");
    div.innerHTML = "<!--[if lt IE 8]>]><i></i><![endif]-->";
    if (div.getElementsByTagName("i").length) {
        return true;
    }

    return false;
};