script inject eval

eval.js

var globalEval = (function(global, doc){
    global.__dojoEvalInfo__ = {};
    var resultId = 0,
        head = doc.getElementsByTagName("head")[0] || doc.documentElement;
    return function(text){
        var script = doc.createElement("script"),
            id = resultId++, sText, result;
        script.type = "text/javascript";
        sText = "__dojoEvalInfo__[" + id + "].result = eval(__dojoEvalInfo__[" + id + "].text);";
        global.__dojoEvalInfo__[id] = { text: text };
        try{
            script.appendChild(doc.createTextNode(sText));
        }catch(e){
            script.innerText = sText;
        }

        head.insertBefore(script, head.firstChild);
        result = global.__dojoEvalInfo__["result"+id];
        script.parentNode.removeChild(script);
        delete global.__dojoEvalInfo__[id];

        return result;
    };
})(this, document);