gistfile1.js

function getAllProperties(obj){
    var allProps = Object.getOwnPropertyNames(obj);
    Object.getOwnPropertyNames(Object.getPrototypeOf(obj)).forEach(function add(prop){
        if (allProps.indexOf(prop) === -1)
            allProps.push(prop)
    });
    return allProps
}

function jsrecursivegrep(obj, value, length){
    var res = [];
    if(length == 0) return res;
    getAllProperties(obj).forEach(function(k){
        try{
            if(obj[k] == value){
                res.push(k);
            }else if(obj[k]){
                jsrecursivegrep(obj[k], value, length-1).forEach(function(prop){
                    res.push(k + "." + prop);
                });
            }
        }catch(e){}
    });
    return res;
}