Print object properties in Javascript

Print object properties in Javascript

var print = function(element) {
    var str = "";
    for (var prop in element){
        if (typeof(element[prop]) == "string") {
            str += prop + ": " + element[prop] + "<br/>";
        }
     else if (typeof(element[prop]) == "function") {
            str += prop + ": (function)<br/>";
     }
     else {
            str += prop + ": { <br/>" + print(element[prop]) + "}";
        }
    }

    return str;
}