X-Ray Spectacles For Your JavaScript Objects

InspectorA.js

var xRay = function (obj, key, spaces) {
    var i,
        k,
        keyTypeStr,
        xrayResult,
        indent;

    key = key || "";
    spaces = spaces || 1;
    indent = "";
    i = 1;

    while (i < spaces) {
        indent += " ";
        i++;
    }

    keyTypeStr = " (" + typeof key + ")";
    if (spaces === 1) {
        keyTypeStr = "(self)";
    }
    xrayResult = indent + key + keyTypeStr + " : ";
    if (typeof obj === "object" && obj !== null) {
        xrayResult += typeof obj + "\n";
        for (k in obj) {
            if (obj.hasOwnProperty(k)) {
                xrayResult += xRay(obj[k], k, spaces + 1);
            }
        }
    } else {
        xrayResult += "" + obj + " (" + typeof obj + ") \n";
    }
    return xrayResult;
};

a = [1, function(a){alert("hey")}, 'c'];
a.hidden="secret message";
// console.log(a);

console.log(xRay(a));

InspectorB.js

var Inspect = {
    TYPE_FUNCTION: 'function',
    // Returns an array of (the names of) all methods
    methods: function (obj) {
        var testObj = obj || self;
        var methods = [];
        for (var prop in testObj) {
            if (typeof testObj[prop] == Inspect.TYPE_FUNCTION && typeof Inspect[prop] != Inspect.TYPE_FUNCTION) {
                methods.push(prop);
            }
        }
        return methods;
    },
    // Returns an array of (the names of) all properties
    properties: function (obj) {
        var testObj = obj || self;
        var properties = [];
        for (var prop in testObj) {
            if (typeof testObj[prop] != Inspect.TYPE_FUNCTION && typeof Inspect[prop] != Inspect.TYPE_FUNCTION) {
                properties.push(prop);
            }
        }
        return properties;
    }
};

/*tests*/
var a = ['a', 'b', 'c', 'd', 'e'];
a.prop = true;
console.log(Inspect.properties(a));