AddCode Function

var code =
    "<scr" + "ipt async id='__lxGc__rtr' type='text/javascript' src='//s.clickiocdn.com/t/209988/360.js'></scr" + "ipt>" +
    "<scr" + "ipt async type='text/javascript' src='//s.clickiocdn.com/t/common_258.js'><\/scr" + "ipt>" +
    "<scr" + "ipt class='__lxGc__' type='text/javascript'>" +
    "((__lxGc__=window.__lxGc__||{'s':{},'b':0})['s']['_209988']=__lxGc__['s']['_209988']||{'b':{}})['b']['_661494']={'i':__lxGc__.b++};" +
    "<\/scr" + "ipt>";

function addCode(code, selector){
    var parent = document.querySelector(selector);
    var div = document.createElement('div');
    div.innerHTML = code;
    parent.appendChild(div);
    var scripts = div.getElementsByTagName("script");
    Array.from(scripts).forEach(function(script, index, array) {
        var newScript = document.createElement('script');
        if(typeof script.src !== "undefined" && script.src && script.sr !== "")
        {
            newScript.src = script.src;
            newScript.className = script.className;
            parent.appendChild(newScript);
        }
        else
        {
            var data = (script.text || script.textContent || script.innerHTML || "");
            newScript.className = script.className;
            newScript.type = script.type;
            newScript.appendChild(document.createTextNode(data));
            parent.appendChild(newScript);
        }
        div.removeChild(script);
    });
    parent.removeChild(div);
}

addCode(code, 'body');