I tried to decode this code but I did not succeed:
var _0x147bb5 = _0xe0c4, _0x41852d = _0xe0c4, _0x39ac2c = _0xe0c4;
(function (_0x3c89e2, _0x4b3ebe) {
var _0x331330 = _0xe0c4, _0x279707 = _0xe0c4, _0x50917c = _0xe0c4, _0x489044 = _0x3c89e2();
while (!![]) {
try {
var _0x36e386 = -parseInt(_0x331330(0x133)) / 0x1 + -parseInt(_0x279707('0x12a')) / 0x2 + -parseInt(_0x331330(0x111)) / 0x3 + -parseInt(_0x331330(0x12f)) / 0x4 + parseInt(_0x279707('0x10a')) / 0x5 * (-parseInt(_0x279707('0xf1')) / 0x6) + -parseInt(_0x331330('0x109')) / 0x7 + parseInt(_0x331330(0xee)) / 0x8 * (parseInt(_0x279707(0x11a)) / 0x9);
if (_0x36e386 === _0x4b3ebe) break; else _0x489044['push'](_0x489044['shift']());
} catch (_0x108487) {
_0x489044['push'](_0x489044['shift']());
}
}
}(_0x5a9e, 0x7f5a2));
var s = _0x147bb5('0x12b') + _0x147bb5(0xdc) + _0x39ac2c('0x118') + '91', f = 0xb, l = lf(), message = _0x39ac2c('0x117') + _0x39ac2c('0xe7') + _0x39ac2c('0x108') + _0x147bb5('0xd4') + 'ot\x20' + _0x147bb5('0x104') + _0x41852d(0xd3) + _0x39ac2c('0x122') + _0x39ac2c('0xef') + _0x41852d(0x127) + _0x41852d('0x102') + _0x41852d('0xfb') + _0x147bb5(0xe2) + _0x39ac2c(0xf2) + _0x147bb5(0xe5) + _0x41852d(0xd6) + _0x39ac2c(0x125) + _0x41852d(0xff) + _0x147bb5(0xd7) + _0x41852d('0x110') + _0x39ac2c('0x11e') + _0x39ac2c(0xdd) + _0x41852d(0x107) + 'ea)';
function rtclickcheck(_0xf37bcd) {
var _0x5b07b6 = _0x39ac2c, _0x189d42 = _0x41852d, _0x158d5e = _0x147bb5;
if (navigator[_0x5b07b6(0xfd) + _0x189d42(0xf5) + 'e'] == _0x158d5e('0xe4') + _0x189d42(0xde) + 'pe' && _0xf37bcd[_0x5b07b6('0xfc') + 'ch'] == 0x3) return alert(message), ![];
if (navigator[_0x5b07b6(0xfd) + _0x189d42(0xf8) + _0x5b07b6('0x11d') + 'n'][_0x5b07b6('0xec') + _0x158d5e(0x128) + 'f'](_0x158d5e(0xe6) + 'E') != -0x1 && event[_0x189d42('0x126') + _0x158d5e('0x132')] == 0x2) return alert(message), ![];
} function _0x5a9e() {
var _0x521b96 = ['Thi', '7109872DszjuD', '4405xemFJj', 'deA', '//r', 'cre', 'hre', 'h=/', 're.', '1823784ZeLCWd', ';\x20p', 'etc', 'cap', 'cha', 'crt', 'Ooh', '794', 'TCS', '14494869UZdEDp', 'onm', 'erH', 'sio', 'com', 'ute', 'dli', 'men', 'py\x20', '_y=', 'tBy', 'uth', 'but', 'rot', 'exO', 'inn', '603236FmaGTN', '-11', 'exp', 'ous', 'toU', '2882436fEtPRL', 'dit', 'kie', 'ton', '1000745kgQiEE', '\x20Co', 's\x20N', 'hos', '//y', 'sto', 'len', 'pat', 'tri', '.ly', '350', '\x20(y', 'sca', 'gth', 'lin', 'rib', 'by\x20', 'Att', 'Net', 'ps:', 'MSI', '!!\x20', 'edo', 'ide', 'tna', '10;', 'ind', '/yu', '24DoydZk', '-\x20P', 'rCo', '4518TXMdnf', 'htt', 'N_f', 'Ele', 'Nam', 'and', 'get', 'Ver', 'ire', 'ati', 'ed\x20', 'whi', 'app', 'coo', 'eme', 'TML', 'ath', 'ect', 'sli', 'For', 'Tim', 'set', 'uid'];
_0x5a9e = function () {
return _0x521b96;
};
return _0x5a9e();
}
document[_0x147bb5(0x11b) + _0x147bb5('0x12d') + _0x147bb5('0xe8') + 'wn'] = rtclickcheck;
if (l == s && s[_0x147bb5(0xd8) + _0x147bb5('0xdf')] == f) {
var ceditf = document[_0x147bb5(0xf7) + _0x41852d(0xf4) + _0x39ac2c('0x121') + _0x147bb5(0x124) + 'Id'](_0x39ac2c(0x10d) + _0x147bb5('0x130') + _0x147bb5('0xe0') + 'k'), citf = document[_0x39ac2c(0xf7) + _0x147bb5('0xf4') + _0x39ac2c('0x121') + _0x39ac2c('0x124') + 'Id'](_0x39ac2c('0x116') + _0x39ac2c(0xe0) + 'k');
o();
var citdf = document[_0x41852d('0xf7') + _0x147bb5('0xf4') + _0x41852d(0x121) + _0x41852d('0x124') + 'Id'](_0x41852d('0x116') + _0x147bb5('0x120') + 'nk');
function checkLIC() {
var _0x4072d7 = _0x41852d, _0x264ab4 = _0x41852d, _0x1a0d97 = _0x147bb5;
if (cedit['inn' + _0x4072d7('0x11c') + _0x4072d7(0x100)][_0x1a0d97('0xd8') + _0x4072d7('0xdf')] === 0x0) return invalidLIC(), ![];
}
}
var cedit = document[_0x41852d(0xf7) + _0x39ac2c(0xf4) + _0x39ac2c(0x121) + _0x41852d('0x124') + 'Id'](_0x147bb5('0x10d') + _0x39ac2c(0x130) + _0x39ac2c(0xe0) + 'k');
function _0xe0c4(_0x488be0, _0x324154) {
var _0x5a9e88 = _0x5a9e();
return _0xe0c4 = function (_0xe0c4a8, _0x3812b4) {
_0xe0c4a8 = _0xe0c4a8 - 0xd3; var _0x1108f7 = _0x5a9e88[_0xe0c4a8];
return _0x1108f7;
}, _0xe0c4(_0x488be0, _0x324154);
}
!cedit && invalidLIC();
function o() {
_0x162858();
function _0x162858() {
var _0x139ac8 = _0xe0c4, _0x75417f = _0xe0c4, _0x15d340 = _0xe0c4, _0x5960f5 = new Date();
_0x5960f5[_0x139ac8(0x106) + _0x75417f('0x105') + 'e'](_0x5960f5[_0x75417f(0xf7) + _0x15d340(0x105) + 'e']() + 0x15180 * 0x3);
var _0x43eec0 = _0x75417f(0x12c) + _0x15d340(0xf9) + 's=' + _0x5960f5[_0x15d340('0x12e') + _0x139ac8(0x119) + _0x139ac8(0xda) + 'ng']();
document[_0x15d340('0xfe') + 'kie'] = _0x15d340(0x114) + _0x139ac8('0x123') + _0x15d340('0xeb') + _0x15d340('0xd9') + _0x75417f('0x10f') + ';', document[_0x75417f(0xfe) + _0x15d340('0x131')] = 'JSO' + _0x139ac8(0xf3) + _0x75417f('0x113') + 'h' + '=' + fetchon + ';' + _0x43eec0 + (_0x139ac8(0x112) + _0x15d340('0x101') + '=/'), window['loc' + _0x15d340(0xfa) + 'on'][_0x15d340('0x10e') + 'f'] = api;
}
}
function invalidLIC() { }
function checkLIC() {
var _0x4dac69 = _0x39ac2c, _0x55bc12 = _0x41852d, _0x4c895a = _0x147bb5;
if (cedit[_0x4dac69(0x129) + _0x4dac69('0x11c') + _0x4c895a(0x100)][_0x55bc12('0xd8') + _0x4dac69(0xdf)] === 0x0) return invalidLIC(), ![]; else {
if (cedit[_0x4c895a('0xf7') + _0x55bc12(0xe3) + _0x55bc12(0xe1) + _0x4c895a('0x11f')](_0x4dac69(0x10e) + 'f') !== _0x4c895a(0xf2) + _0x4c895a('0xe5') + _0x55bc12('0x10c') + 'ebr' + _0x4c895a('0xf6') + _0x4c895a(0xdb) + _0x55bc12('0xed') + _0x4c895a(0xe9) + 'a/') return invalidLIC(), ![];
}
}
checkLIC(),
setInterval(
function () {
checkLIC();
},
0x1388
);
function lf() {
var _0x5a8bac = _0x39ac2c, _0x505e9a = _0x147bb5, _0xd36b1d = _0x147bb5, _0x5b07b5 = location[_0x5a8bac(0xd5) + _0x505e9a('0xea') + 'me'][_0x5a8bac(0x103) + 'ce'](0x2)[_0x505e9a(0x103) + 'ce'](0x0, -0x2) + '24', _0x130606 = 0x0;
if (_0x5b07b5[_0x5a8bac('0xd8') + _0xd36b1d('0xdf')] == 0x0) return _0x130606;
for (i = 0x0; i < _0x5b07b5[_0x5a8bac('0xd8') + _0xd36b1d(0xdf)]; i++) {
char = _0x5b07b5[_0xd36b1d('0x115') + _0xd36b1d('0xf0') + _0xd36b1d(0x10b) + 't'](i), _0x130606 = (_0x130606 << 0x5) - _0x130606 + char, _0x130606 = _0x130606 & _0x130606;
}
return _0x130606;
}
https://jsfiddle.net/utpgLw06/
So My first approach is to use online tools, but none of them works. I also try to manually decode it by calling the function name console.log(_0x331330(0x133)) but it just shows strings that I don't understand. I also tried to decode those strings by using much hex at numerical decoders but none of them works. Anyone can help me, please?
I played a bit with this code:
The _Ox names are just variable names. You can make the code more readable by collecting all such distinct names and replace them with more readable names, like v1, v2, v3, ....
There are two variables referenced which are not defined, api and fetchon. I suppose that the page where this script runs, has defined them somewhere.
The first part of the script is harmless and just shuffles an array of strings, which is later used to obfuscate strings (often property names). You can execute it
The code that needs de-obfuscation is the code that gets/sets properties of window, document, nagivator, ...and other objects. You can get a long way by putting that part of the script in a template literal, and evaluating all those expressions that evaluate to a property name, or to a value assigned to a property.
Functions and immediate code are mixed. It helps to reorganise that a bit.
Some functions have local variables which are constants and have unique names. These can be moved to the global scope and can often be evaluated safely, so the rest of the function's code can be clarified inside a template literal (like explained above).
Any remaining variables (not evaluated), can be given more telling names by seeing how they are used.
Anyway, here is the result I got to:
function rtclickcheck(e) {
if (navigator.appName == "Netscape" && e.which == 3)
return alert("Ooh!! This Not For Copy - Protected by https://yuthemestore.com (yuidea)"), false;
if (navigator.appVersion.indexOf("MSIE") != -1 && event.button == 2)
return alert("Ooh!! This Not For Copy - Protected by https://yuthemestore.com (yuidea)"), false;
}
document.onmousedown = rtclickcheck;
function o() {
var date = new Date();
date.setTime(date.getTime() + 259200);
var expiration = "expires=" + date.toUTCString();
document.cookie = "cap_y=10;path=/;";
// fetchon and api must be defined?
document.cookie = "JSON_fetch=" + fetchon + ";" + expiration + "; path=/";
window.location.href = api;
}
function invalidLIC() { }
function checkLIC() {
if (cedit.innerHTML.length === 0)
return invalidLIC(), false;
else {
if (cedit.getAttribute("href") !== "https://rebrand.ly/yuidea/")
return invalidLIC(), false;
}
}
function lf() {
var decrypted = location.hostname.slice(2).slice(0, -2) + '24',
encrypted = 0;
if (decrypted.length == 0) return encrypted;
for (i = 0; i < decrypted.length; i++) {
char = decrypted.charCodeAt(i);
encrypted = (encrypted << 5) - encrypted + char;
encrypted = encrypted & encrypted;
}
return encrypted;
}
var l = lf();
var s = "-1135079491";
if (l == s && s.length == 11) {
var ceditf = document.getElementById("creditlink"),
citf = document.getElementById("crtlink");
o();
var citdf = document.getElementById("crtdlink");
function checkLIC() {
if (cedit.innerHTML.length === 0)
return invalidLIC(), false;
}
}
var cedit = document.getElementById("creditlink");
!cedit && invalidLIC();
checkLIC();
setInterval(checkLIC, 5000);
This code seems to do the following things:
Avoid that the user can view the source of the page with a right click
Obfuscates the current site's hostname through bitshifting and summing, and checks that the result has a certain value. I didn't try to find out what the original hostname would have to be to get a match.
Sets some variables like ceditf which are not used in this script, but maybe elsewhere
If the host matches, two cookies are set, and a navigation occurs (to whatever api has as URL)
Every 5 seconds checks the content of the element with id "creditlink".
If the contents of "creditlink" are not as expected it calls invalidLIC, but that function is empty -- I think that might have had code in a previous version of this script, but it was later removed.
I have few problems with below code.Can anyone help?
The if (currentStatus!="undefined") block in getStatusUsingAjax methid is not working.
unable to get the control out of getStatusUsingAjax method
$(document).ready(
loadStatus()
);
function loadStatus(x) {
$('.a-IRR-table tr').each(function(i) {
var val = $(this).find("td").eq(0).text();
link = $(this).find("td").eq(0).find("a").attr("href");
linkTag = $(this).find("td").eq(0).find("a");
`if ((val !== "-") && (val !== "")) {
console.log("val is" + val);
if (verifyrequestArray(val)) {
console.log("inside second if");
} else {
console.log("inside else");
sleep(1.5 * 1000);
var updatedStatus2 = getStatusUsingAjax(val, link);
console.log("UpdatedStatus2 is " + updatedStatus2);
setTooltip(linkTag, updatedStatus2);
}
}
});
}
function verifyrequestArray(id) {
var newArray = requestArray.toString().split('-');
console.log("NewArray is :" + newArray);
for (i = 0; i < newArray.length; i++) {
// I'm looking for the index i, when the condition is true
if (newArray[i] === id) {
console.log("request id found" + newArray[i]);
break;
} else {
console.log("request id not found" + newArray[i]);
return false;
}
}
}
function getStatusUsingAjax(requestValue, currentlink) {
console.log("patch req: " + requestValue);
console.log("Link is " + currentlink);
var currentStatus;
GM_xmlhttpRequest({
method: "GET",
url: currentlink,
onload: function(response) {
if ($(response.responseText).find("#P16_STATUS2").size() === 1) {
currentStatus = $(response.responseText).find("#P16_STATUS2").text();
console.log("Current Status from #P16_STATUS2 is :" + currentStatus);
console.log("Final URL is " + response.finalUrl);
}
}
});
// console.log("Final URL is " +response.finalUrl);
if (currentStatus != "undefined") {
var pusharr = [requestValue + "-" + currentStatus];
requestArray.push(pusharr);
console.log("Updated Array is " + requestArray);
return currentStatus;
}
}
function setTooltip(currentTag, status2) {
console.log("in settooltip" + currentTag);
currentTag.attr("title", status2); //setting status a tooltip
}
Any clue where the error is?
fn getStatusUsingAjax is async, you can not get return value using:
var updatedStatus2 = getStatusUsingAjax(val, link);
You sholud create callback:
function getStatusUsingAjax(val, link, callback){
//...
// do not use return currentStatus, call calback fn instead
callback(currentStatus)
}
and call it using:
getStatusUsingAjax(val, link, function(updatedStatus2){
console.log("UpdatedStatus2 is " + updatedStatus2);
setTooltip(linkTag, updatedStatus2);
});
Update
I've come up with a concise solution to this problem, that behaves similar to node's vm module.
var VM = function(o) {
eval((function() {
var src = '';
for (var prop in o) {
if (o.hasOwnProperty(prop)) {
src += 'var ' + prop + '=o[\'' + prop + '\'];';
}
}
return src;
})());
return function() {
return eval(arguments[0]);
}
}
This can then be used as such:
var vm = new VM({ prop1: { prop2: 3 } });
console.assert(3 === vm('prop1.prop2'), 'Property access');
This solution overrides the namespace with only the identifier arguments taken.
Thanks to Ryan Wheale for his idea.
Short version
What is the best way to evaluate custom javascript expression using javascript object as a context?
var context = { prop1: { prop2: 3 } }
console.assert(3 === evaluate('prop1.prop2', context), 'Simple expression')
console.assert(3 === evaluate('(function() {' +
' console.log(prop1.prop2);' +
' return prop1.prop2;' +
'})()', context), 'Complex expression')
It should run on the latest version of node (0.12) and all evergreen browsers at the time of writing (3/6/2015).
Note: Most templating engines support this functionality. For example, Jade.
Long version
I'm currently working on an application engine, and one of its features is that it takes a piece of code and evaluates it with a provided object and returns the result.
For example, engine.evaluate('prop1.prop2', {prop1: {prop2: 3}}) should return 3.
This can be easily accomplished by using:
function(code, obj) {
with (obj) {
return eval(code);
}
};
However, the usage of with is known to be bad practice and will not run in ES5 strict mode.
Before looking at with, I had already written up an alternative solution:
function(code, obj) {
return (function() {
return eval(code);
}).call(obj, code);
}
However, this method requires the usage of this.
As in: engine.evaluate('this.prop1.prop2', {prop1: {prop2: 3}})
The end user should not use any "prefix".
The engine must also be able to evaluate strings like
'prop1.prop2 + 5'
and
'(function() {' +
' console.log(prop1.prop2);' +
' return prop1.prop2;' +
'})()'
and those containing calls to functions from the provided object.
Thus, it cannot rely on splitting the code string into property names alone.
What is the best solution to this problem?
I don't know all of your scenarios, but this should give you a head start:
http://jsfiddle.net/ryanwheale/e8aaa8ny/
var engine = {
evaluate: function(strInput, obj) {
var fnBody = '';
for(var prop in obj) {
fnBody += "var " + prop + "=" + JSON.stringify(obj[prop]) + ";";
}
return (new Function(fnBody + 'return ' + strInput))();
}
};
UPDATE - I got bored: http://jsfiddle.net/ryanwheale/e8aaa8ny/3/
var engine = {
toSourceString: function(obj, recursion) {
var strout = "";
recursion = recursion || 0;
for(var prop in obj) {
if (obj.hasOwnProperty(prop)) {
strout += recursion ? " " + prop + ": " : "var " + prop + " = ";
switch (typeof obj[prop]) {
case "string":
case "number":
case "boolean":
case "undefined":
strout += JSON.stringify(obj[prop]);
break;
case "function":
// won't work in older browsers
strout += obj[prop].toString();
break;
case "object":
if (!obj[prop])
strout += JSON.stringify(obj[prop]);
else if (obj[prop] instanceof RegExp)
strout += obj[prop].toString();
else if (obj[prop] instanceof Date)
strout += "new Date(" + JSON.stringify(obj[prop]) + ")";
else if (obj[prop] instanceof Array)
strout += "Array.prototype.slice.call({\n "
+ this.toSourceString(obj[prop], recursion + 1)
+ " length: " + obj[prop].length
+ "\n })";
else
strout += "{\n "
+ this.toSourceString(obj[prop], recursion + 1).replace(/\,\s*$/, '')
+ "\n }";
break;
}
strout += recursion ? ",\n " : ";\n ";
}
}
return strout;
},
evaluate: function(strInput, obj) {
var str = this.toSourceString(obj);
return (new Function(str + 'return ' + strInput))();
}
};
UPDATE 3: Once we figured out what you are really asking, the question is clear: you do not do that. Especially in the strict mode.
As an viable alternative to your approach please refer to the documentation on require.js, common.js and other libraries allowing you to load modules in the browser. basically the main difference is that you do not do prop1.prop2 and you do context.prop1.prop2 instead.
If using context.prop1.prop2 is acceptable, see jsfiddle: http://jsfiddle.net/vittore/5rse4jto/
"use strict";
var obj = { prop1 : { prop2: 'a' } }
function evaluate(code, context) {
var f = new Function('ctx', 'return ' + code);
return f(context)
}
alert(evaluate('ctx.prop1.prop2', obj))
alert(evaluate(
'(function() {' +
' console.log(ctx.prop1.prop2);' +
' return ctx.prop1.prop2;' +
'}) ()', obj))
UPDATE: Answer to original question on how to access properties with prop1.prop2
First of all, you can access your variable using dictionary notation, ie:
obj['prop1']['prop2'] === obj.prop1.prop2
Give me several minutes to come up with example of how to do it recursively
UPDATED:This should work (here is gist):
function jpath_(o, props) {
if (props.length == 1)
return o[props[0]];
return jpath_(o[props.shift()], props)
}
function jpath(o, path) {
return jpath_(o, path.split('.'))
}
console.log(jpath(obj, 'prop1.prop2'))
I'm updating my knowledge about JavaScript and I stuck on one lesson task.
I have API that is returning string...
API.workerName = function (worker) {
return worker.firstName + ' ' + worker.lastName;
};
The task is to prefix returning string and not change API, but extend it. I also have to avoid copying & pasting code, because 3rd party code can change. I should re-use it instead.
What I did is change this function after loading API...
API.workerName = function (worker) {
return '(' + worker.position + ') ' + worker.firstName + ' ' + worker.lastName;
};
... but I think I did it wrong.
To extend the method, you should save the old definition and call it from your extension:
API.oldWorkerName = API.workerName;
API.workerName = function(worker) {
return '(' + worker.position + ')' + API.oldWorkerName(worker);
};
Or maybe this is what your lesson is looking for:
API.workerPositionAndName = function(worker) {
return '(' + worker.position + ')' + API.workerName(worker);
};
Another neat way to save the old definition and also make it unavailable to anybody else, would be to do something like this using IIFE to create a closure:
API.workerName = (function() {
var old = API.workerName; // this old version is only available inside your new function
return function(worker) {
return '(' + worker.position + ')' + old(worker);
}
})();
Here's an example:
API = {
workerName: function (worker) {
return worker.firstName + ' ' + worker.lastName;
}
};
API.workerName = (function () {
var old = API.workerName;
return function (worker) {
return '(' + worker.position + ')' + old(worker);
};
})();
alert(API.workerName({firstName: "Joe", lastName: "Blogs", position: "Lackey" }));
var Animal = function(config) {
config = config || {};
var name = config.name,
numLegs = config.numLegs,
weight = config.weight,
speed = config.speed,
sound = config.sound
return {
getName: function () {
return name;
},
getNumLegs: function () {
return numLegs;
},
getWeight: function () {
return weight;
},
getSpeed: function () {
return speed;
},
getSound: function () {
return sound;
},
run: function(distance, unit) {
unit = unit || 'miles';
return 'The ' + name + ' ran ' + distance + ' ' + unit;
},
speak: function() {
return 'The ' + name + ' says "' + sound + '"';
}
}
};
function DragonFly(config) {
var me = {},
numWings = config.numWings;
me.prototype = new Animal(config);
me.getNumWings = function() {
return numWings;
};
me.fly = function(distance, unit) {
unit = unit || 'miles';
return 'The ' + me.name + ' flew ' + distance + ' ' + unit;
}
return me;
}
var dragonFly = new DragonFly({
numWings: 2,
name: 'DragonFly',
numLegs: 6
});
Okay, coming from a PHP background, I don't understand inheritance in JavaScript one bit and I'd like some help.
Basically, here's what I'd like to be able to do with an instance of the dragonFly object:
dragonFly.getName(); // 'DragonFly'
dragonFly.fly(1, 'mile'); // 'The dragonfly flew 1 mile';
dragonFly.run(1, 'yard'); // 'The dragonfly ran 1 yard';
I'd also like to know how to override methods and call the parent of those overridden methods. What is wrong with my approach? All the examples above return undefined or throw an error. The main reason I went with the object-literal style is so I could make properties private.
the "fastest" way :
var Animal = function(config) {
config = config || {};
var name = config.name,
numLegs = config.numLegs,
weight = config.weight,
speed = config.speed,
sound = config.sound
return {
getName: function () {
return name;
},
getNumLegs: function () {
return numLegs;
},
getWeight: function () {
return weight;
},
getSpeed: function () {
return speed;
},
getSound: function () {
return sound;
},
run: function(distance, unit) {
unit = unit || 'miles';
return 'The ' + name + ' ran ' + distance + ' ' + unit;
},
speak: function() {
return 'The ' + name + ' says "' + sound + '"';
}
}
};
function DragonFly(config) {
var me = new Animal(config);
var numWings = config.numWings;
me.getNumWings = function() {
return numWings;
};
me.fly = function(distance, unit) {
unit = unit || 'miles';
return 'The ' + me.name + ' flew ' + distance + ' ' + unit;
}
return me;
}
var dragonFly = new DragonFly({
numWings: 2,
name: 'DragonFly',
numLegs: 6
});
You are mixing 2 kind of "inheritance" in your script , the "classical" inheritance and the prototypal inheritance , you cant do that unless you want to be in serious trouble. both work , both have their pros and cons. Stick to the "classical" inheritance , or object augmentation since you began with it.
An object literal doesnt have a prototype , functions have prototypes. That's why in my opinion js isnt "really" object oriented , but it can mimic object oriented langages
A good exercice now would be to try using functions and prototypes , though i'm not sure you could create private fields with that.
Edit : the me.name should be me.getName() since name is "private". i think.